weir-type diaphragm valve swd/mwd series

Weir diaphragm valve integrating the best of CKD valve technology

Weir diaphragm valve SWD/MWD Series

CC-1096A 6

The 3 key points to achieving excellent cleanliness and ease of useClean

Realizing highly aseptic conditionsThe external seal of the diaphragm periphery adopts a flat structure eliminating the pocket between the diaphragm and body. There is no residual fluid in the pocket, so the valve stays cleaner.

High replaceability reduces cleaning timeDesigned to have little dead space in which fluid may be trapped, allowing the circuit to be thoroughly cleaned. The high liquid replaceability contributes to reduced cleaning time.

Maintainability

Realizes a reduction in maintenance timeUsing a more appropriate diaphragm makes its replacement easy and allows secure positioning of the diaphragm with a unique mechanism.Retains an easy assembly and secure seal to realize a reduction in maintenance time.

Compact

Improved freedom in device design (air operated)Years of pneumatic cylinder production have created this unique technology, with which we keep the actuator compact in relation to the valve bore size. This contributes to equipment/facility space savings.

Secures maintenance space (manual)Adopts a compact manual handle to secure sufficient space within the device, making valve operation easier.

SWD/MWD Series If using an external seal with a protruding diaphragm

SWD/MWD Series If using an external seal with a protruding diaphragm

Perfect for strict cleanliness. Easier to use.Perfect for strict cleanliness. Easier to use.

Manual MWD Series

No residue Residue remains

Can clean through the circuit edges

Difficult to clean through circuit edges

External seal point

Air operated SWD SeriesAir operated SWD Series

Actuator

Diaphragm

BodyStable seal

Groove matching positioning allows for a stable seal

15A15A 8A/10A8A/10A 8A/10A8A/10A 15A15A1S1S 1S1S1.5S1.5S 1.5S1.5S

External seal pointExternal seal point External seal pointExternal seal point

External seal pointExternal seal point

1

A Model No.

zConnection: ISO ferrule

Specifications

SWD SeriesWeir diaphragm valve Air operated

How to order

B Series

C Actuation

D Port size

E Actuator/diaphragm/ body material combination

Descriptions SWD*1 SWD*2 SWD*3Actuation NC NO Double acting

Working fluid Water, pure water, chemical liquids (fluids that do not corrode wetted part materials)

Fluid temperature °C 5 to 90(during steam sterilization 130°C, allowable up to 20 minutes)

Proof pressure MPa 2.0Working pressure MPa 0 to 0.6Valve seat leakage cm3/min 0 (water pressure)Ambient temperature °C 0 to 60Frequency Cycle/min. 20Operating port Rc1/8

Operating

pressure

SWD1*-8

MPa0.35 to 0.7 0.25 to 0.35 0.2 to 0.3SWD1*-10

SWD2*-15SWD3*-25

0.4 to 0.70.3 to 0.35 0.25 to 0.3

SWD4*-40 0.35 to 0.4 0.3 to 0.35

Cv

SWD1*-8 2.3SWD1*-10 2.6SWD2*-15 4.5SWD3*-25 13SWD4*-40 27

MaterialDiaphragm PTFE/EPDMBody SUS316L (buff polishing #400 or equiv., electrolytic polishing)Actuator ADC12 (fluoro resin coating)

SWD 1 1 F8

C Actuation1 NC (normally closed) ● ● ● ●2 NO (normally open) ● ● ● ●3 Double acting ● ● ● ●

A Model No.SWD1

SWD2

SWD3

SWD4Code Content

B Series1 Size 1 ●2 Size 2 ●3 Size 3 ●4 Size 4 ●

E Actuator/diaphragm/body material combinationActuator Diaphragm Body

F ADC12 PTFE/EPDM SUS316L ● ● ● ●

D Port size8 Clamp fitting 8A ●

10 Clamp fitting 10A ●15 Clamp fitting 15A ●25 Clamp fitting 25A (1S) ●40 Clamp fitting 40A (1.5S) ●

● NC (normally closed)JIS symbol

● NO (normally open)

● Double acting

YX

A

B

YB

X

A

A

B

2

Internal structure and parts list/Dimensions

SWD Series

Internal structure and parts list

No. Part name Material1 Cylinder guard ADC12 Aluminum die-casting

2 O-ring FKM Fluoro rubber

3 Indicator SUS304 Stainless steel

4 Spring SUS304 (or SWP) Stainless steel

5 Piston A2017 Aluminum

6 Piston rod SUS304 Stainless steel

7 Rod cover, yoke ADC12 Aluminum die-casting

8 Hexagon socket head cap screw SUS304, SUSXM7 Stainless steel

9 Compressor SCS13 Stainless steel

10 Diaphragm PTFE, EPDM, SUS303, SUS304

Fluoro resin, ethylene propylene rubber, stainless steel

11 Body SUS316L Stainless steel

10

11

9

8

7

6

5

4

3

2

1

Dimensions

zSWD

Model No. A B C D E H K M NSWD1*-8-F 90 99.5 22 60 7 34 10.5 32 40SWD1*-10-F 90 101 22 61.5 7 34 14 32 40SWD2*-15-F 108 130 22 73 8.5 34 17.5 38 46.5SWD3*-25-F 127 170 24 84 12.5 50.5 23 51 56SWD4*-40-F 159 212 28 97 16.5 50.5 35.7 57 66

2-Rc1/8

A

DC

E(M

AX

)B

N M

φKφH

* For consumable parts, refer to page 7. Wetted parts material are of two types: PTFE (diaphragm), SUS316L (body).

3

A Model No.


Specifications

MWD SeriesWeir diaphragm valve Manual

How to order

B Series

C Port size

D Actuator/diaphragm/ body material combination

Descriptions MWD10-8 MWD10-10 MWD20-15 MWD30-25 MWD40-40Working fluid Water, pure water, chemical liquids (fluids that do not corrode wetted part materials)Fluid temperature °C 5 to 90 (during steam sterilization 130°C, allowable up to 20 minutes)Proof pressure MPa 2.0Working pressure MPa 0 to 0.6Valve seat leakage cm3/min 0 (water pressure)Ambient temperature °C 0 to 60Cv 2.3 2.6 4.5 13 27Operating section Operating torque N·m 0.7 to 1.1 0.7 to 1.1 1.0 to 1.5 1.7 to 3.0 3.0 to 4.0

MaterialDiaphragm PTFE/EPDMBody SUS316L (buff polishing #400 or equiv., electrolytic polishing)Actuator A5056 (fluoro resin coating)

MWD 1 0 F8

A Model No.MWD1

MWD2

MWD3

MWD4Code Content


D Actuator/diaphragm/body material combinationActuator Diaphragm Body

F A5056 PTFE/EPDM SUS316L ● ● ● ●

C Port size8 Clamp fitting 8A ●

10 Clamp fitting 10A ●15 Clamp fitting 15A ●25 Clamp fitting 25A (1S) ●40 Clamp fitting 40A (1.5S) ●

4

Internal structure and parts list/Dimensions

MWD Series

Internal structure and parts list

No. Part name Material1 Indicator PET Polyethylene terephthalate

2 Handle A5056 Aluminum

3 Rod SUS304 Stainless steel

4 Bonnet A5056 Aluminum

5 Bearing - -

6 Compressor SCS13 Stainless steel

7 Diaphragm PTFE, EPDM, SUS303, SUS304

Fluoro resin, ethylene propylene rubber, stainless steel

8 Body SUS316L Stainless steel

7

8

6

4

5

2

3

1

Dimensions

zMWD

Model No. A B H K NMWD10-8-F 90 58.5 34 10.5 49MWD10-10-F 90 60.7 34 14 49MWD20-15-F 108 71.5 34 17.5 59MWD30-25-F 127 88.7 50.5 23 69MWD40-40-F 159 107.6 50.5 35.7 89

φKφH

A

B(M

AX

)

φN

* For consumable parts, refer to page 7. Wetted parts material are of two types: PTFE (diaphragm), SUS316L (body).

5


Specifications

Features

MWD-S Series

Weir diaphragm valve ManualSpring seal

Descriptions MWD10-8 MWD10-10 MWD20-15 MWD30-25 MWD40-40Working fluid Water, pure water, chemical liquids (fluids that do not corrode wetted part materials)Fluid temperature °C 5 to 90 (during steam sterilization 130°C, allowable up to 20 minutes)Proof pressure MPa 2.0Working pressure MPa 0 to 0.6Valve seat leakage cm3/min 0 (water pressure)Ambient temperature °C 0 to 60Cv 2.3 2.6 4.5 13 27

MaterialDiaphragm PTFE/EPDMBody SUS316L (buff polishing #400 or equiv., electrolytic polishing)Actuator A5056 (fluoro resin coating)

Custom order product

No more diaphragm damage due to overtightening.

Spring seal

Lets you sense the end of the tightening.

Handle stopper mechanism

Just turn the handle until tightening is finished, for a consistently optimal sealing force.No handle tightening torque control required.Significant improvement of diaphragm durability at high temperatures.The spring conforms to loosening due to temperature changes, meaning that no retightening after SIP is required.

Indicator equipment

Open/close status is visually apparent even from a distance.

Open Closed

6

How to order/Dimensions

MWD-S Series

Dimensions

A

φN

φHφK

B

C(M

AX

)

Model No. A B C H K NMWD10-8-F-S 90 71 79 34 10.5 52MWD10-10-F-S 90 74 81 34 14 52MWD20-15-F-S 108 84 94 34 17.5 66MWD30-25-F-S 127 119 133 50.5 23 80MWD40-40-F-S 159 146 163 50.5 35.7 89

A Model No.

How to order

B Series

C Port size

D Actuator/diaphragm/ body material combination

MWD 1 0 F8 S

A Model No.MWD1

MWD2

MWD3

MWD4Code Content


D Actuator/diaphragm/body material combinationActuator Diaphragm Body

F A5056 PTFE/EPDM SUS316L ● ● ● ●

C Port size8 Clamp fitting nominal diameter 8A ●

10 Clamp fitting nominal diameter 10A ●15 Clamp fitting nominal diameter 15A ●25 Clamp fitting nominal diameter 25A (1S) ●40 Clamp fitting nominal diameter 40A (1.5S) ●

7

Custom order products

How to order consumable parts (diaphragm)

With open/close switchWith opening adjustment mechanism Specially shaped body

Model No. A Series

* SWD, MWD common model No.

SWD PE1Code ContentA Series

1 Size 12 Size 23 Size 34 Size 4

8

Fluid Control Components: Warnings and CautionsBe sure to read this section before use.

Refer to the “General Purpose Valves (No.CB-03-1SA)” catalog for general precautions.Although the above general catalog states that products are not applicable for medical equipment or direct contact with beverages/foodstuffs, the SWD/MWD Series products can be used in such applications as long as they are within the range of the product specifications.

Safety precautions

■ This product cannot be used as an emergency shut-off valve.● It is not designed to function as a safety valve, such as an emergency shut-off valve. When using in such a

system, always take separate measures that will ensure safety.■ Incorrect equipment selection and handling can cause problems not only in this product, but also to your system.

For equipment selection and handling, it is the customer’s responsibility to check the specifications of this product and the compatibility with your system before use.

■ Take measures to prevent physical harm or property damage in the event of failure of this product.■ Liquid ring● When the valve opens and closes, the diaphragm moves up and down, which causes the flow path capacity to

change inside the valve. For this reason, if the fluid is an incompressible fluid (liquid), extreme pressures will be created in the valve when operating under conditions that seal the fluid in the valve (liquid ring). In this case, install a release valve on the primary or secondary side of the valve, preventing a liquid ring circuit from forming.

■ Working fluids● Check the compatibility of product component materials and working fluids.■ Fluid temperature● Use within the specified fluid temperature range.■ Fluid pressure range● Use within the specified working pressure range.■ Iron rust and debris in the fluid can cause operation faults or leaks and deteriorate product performance. Provide

measures to remove foreign matter.■ Use in high temperatures and steam● When hot fluid flows during steam sterilization, the valve body becomes hot, so do not touch with your hand or

body. There is a risk of burns if these coils are touched directly.

■ Rapid changes in fluid temperature may cause internal leakage.■ While the upper side of the diaphragm (actuator side) does not come into contact with the fluid, due to changes

in fluid type and fluid temperature, fluid may permeate and turn into fluid atmosphere.■ As for compressed air for actuator operation, use air or inert gas passed through a filter with a filtration rating of

5 μm or more.■ If the product has been out of use for one month or more, perform a test run before starting actual operation.■ When the product will not be used for one month or more, completely remove any water left in the product. Water

residue will cause rusting and may lead to malfunction or leaks.If residual water cannot be eliminated, operate the valve several times a day and pass water through to ensure ideal use.

■ When the operating air supply time or exhaust time is short, the valve actuation may be unable to keep up.■ Do not allow fluid to come into contact with the product body.■ Water hammer and vibration may occur in certain fluid pressure and piping conditions. In most cases, this can

be resolved by adjusting the open-close speed using a speed controller, etc. If a problem persists, review and revise the fluid pressure and piping conditions.

■ If you use the product infrequently, contact CKD.■ Indicator rises during valve opening. Since grease is applied to the indicator part, be careful of adhesion.■ Do not use valves as footing or place any heavy objects on top of the valves.■ Use the operating air pressure within the specified working pressure range.■ Observe the operating frequency. Operating frequency is 20 times/min or less.

WARNING

CAUTION

Product-specific cautions: Weir diaphragm valve: SWD/MWD Series

Design/selection

9

■ Before piping the product, flush the inside of the pipe and remove foreign matter such as debris, metal chips, rust and sealing tape. Debris or foreign matter in the fluid may prevent the valve from functioning correctly. When there is contamination, install a filter on the primary side of the valve according to the circuit used.

■ Protect the valve so that dust does not get inside. If there are high levels of dust in the area, install a downward-facing silencer or elbow fitting on the exhaust port of the valve operating part so that dust does not enter.

■ When installing piping, avoid any application of stress on the valve body, such as bending, tension, or compression. Fix and support the pipes so that the weight and vibration of the pipes are not directly applied on the valves.

■ Refer to the table below for the tightening torque of the operating port piping.Operating port size Recommended piping tightening torque

Rc1/8 3 to 5 N·m

■ Although the mounting orientation is unrestricted, liquid accumulation in the valve can be minimized (see Fig. 1) by tilting the valve according to Table 1 and piping. Pipe so that the “-CKD-” mark stamped on the body piping section is perpendicular to the ground.

Table 1. Port size and valve tilt angle

Model No. Port size Valve tilt angle (θ°)SWD1*-8, MWD10-8 8A 23

SWD1*-10, MWD10-10 10A 11

SWD2*-15, MWD20-15 15A 14

SWD3*-25, MWD30-25 25A(1S) 34

SWD4*-40, MWD40-40 40A(1.5S) 32

■ Piping of body● Ferrule part size is ISO compliant. Assemble using gaskets and clamps of appropriate size.

■ Before replacing the valve, thoroughly replace the remaining fluid with pure water so that it does not affect the surrounding devices and humans and purge with dry air or inert gas. When touching the valve, read the material safety data sheet (MSDS) for the working fluid and wear the necessary protective gear.

■ If the product has been out of use for one month or more, perform a test run before starting the actual operation.■ Defects occurring in disassembled/replaced products and parts are excluded from the warranty scope.

■ Handling the actuator Never attempt to disassemble the actuator. It is very dangerous, as a high-load spring is incorporated. If disassembly is necessary, contact CKD or a dealership.

■ Before disassembling, be sure to release the operating air/fluid pressure and check that pressure is not applied inside the valve.

■ Before replacing the diaphragm, thoroughly replace the remaining fluid with pure water so that it does not affect the surrounding devices and humans and purge with dry air or inert gas. When touching the fluid passage section of the valve, read the material safety data sheet (MSDS) for the working fluid and wear the necessary protective gear.

■ Use the designated diaphragm for diaphragm replacement.

WARNING

CAUTION

WARNING

Mounting, installation and adjustment

Use/maintenance

(Fig. 1) Valve tilt angle

θ

“-CKD-”

10

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12

Introduction to CKD packaging machines We hold the top market share in Japan in pharmaceutical packaging machinery.

Inquiries about automatic machinerySales Administration Department 2-250 Ouji, Komaki City, Aichi 485-8551 TEL (0568) 74-1316 FAX (0568) 77-3412Tokyo Sales Dept. for Automatic Machinery 1-31-1, Hamamatsu-cho, Minato-ku, Tokyo 105-0013 TEL (03) 5402-3626 FAX (03) 5402-0121 (4F Bunkahousou Media Plus)Nagoya Sales Dept. for Automatic Machinery 2-250 Ouji, Komaki City, Aichi 485-8551 TEL (0568) 74-1357 FAX (0568) 77-3317Osaka Sales Dept. for Automatic Machinery 1-3-20, Tosabori, Nishi-ku, Osaka 550-0001 TEL (06) 6459-5773 FAX (06) 6446-1945Overseas Sales Dept. 2-250 Ouji, Komaki City, Aichi 485-8551 TEL(0568)74-1336 FAX(0568)77-3412

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：Distributors

CKD MEXICO, S. DE R.L. DE C.V.

●Specifications are subject to change without notice.2017.5

CKD Corporation 2017 All copy rights reserved.

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IndonesiaPT CKD TRADING INDONESIA

Menara Bidakara 2, 18th Floor, Jl. Jend. Gatot Subroto Kav.71-73, Pancoran, Jakarta 12870, IndonesiaPHONE +62 21-2938-6601 FAX +62 21-2906-9470

VietnamCKD VIETNAM ENGINEERING CO.,LTD.

18th Floor, CMC Tower, Duy Tan Street, Cau Giay District, Hanoi, Vietnam PHONE +84-4-37957631 FAX +84-4-37957637

Taiwan台湾喜開理股　有限公司TAIWAN CKD CORPORATION

16F-3, No. 7, Sec. 3, New Taipei Blvd., Xinzhuang Dist., New Taipei City 242, TaiwanPHONE +886-（0）2-8522-8198 FAX +886-（0）2-8522-8128・新竹営業所（HSINCHU OFFICE）・台中営業所（TAICHUNG OFFICE）・台南営業所（TAINAN OFFICE）

China喜開理（上海）機器有限公司CKD(SHANGHAI)CORPORATION●営業部 /上海浦西事務所（SALES HEADQUARTERS / SHANGHAI PUXI OFFICE）

Room 601, 6th Floor, Yuanzhongkeyan Building, No. 1905 Hongmei Road, Xinhui District, Shanghai 200233, ChinaPHONE +86-（0）21-61911888 FAX +86-（0）21-60905356・上海浦東事務所（SHANGHAI PUDONG OFFICE）・無錫事務所（WUXI OFFICE）・杭州事務所（HANGZHOU OFFICE）・寧波事務所（NINGBO OFFICE）・南京事務所（NANJING OFFICE）・蘇州事務所（SUZHOU OFFICE）・昆山事務所（KUNSHAN OFFICE）・北京事務所（BEIJING OFFICE）・天津事務所（TIANJIN OFFICE）・長春事務所（CHANGCHUN OFFICE）・大連事務所（DALIAN OFFICE）・青島事務所（QINGDAO OFFICE）・済南事務所（JINAN OFFICE）・烟台事務所（YANTAI OFFICE）・瀋陽事務所（SHENYANG OFFICE）・重慶事務所（CHONGQING OFFICE）・成都事務所（CHENGDU OFFICE）・西安事務所（XIAN OFFICE）・武漢事務所（WUHAN OFFICE）・鄭州事務所（ZHENGZHOU OFFICE）・長沙事務所（CHANGSHA OFFICE）・広州事務所（GUANGZHOU OFFICE）・深圳西事務所（WEST SHENZHEN OFFICE）・深圳東事務所（EAST SHENZHEN OFFICE）・東莞事務所（DONGGUAN OFFICE）・厦門事務所（XIAMEN OFFICE）

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□ 2-250, Ouji, Komaki City, Aichi, Japan 485-8551□ PHONE +81-(0)568-74-1338 FAX +81-(0)568-77-3461

The goods and/or their replicas, the technology and/or software found in this catalog are subject to complementary export regulations by Foreign Exchange and Foreign Trade Law of Japan. If the goods and/or their replicas, the technology and/or software found in this catalog are to be exported, law requires that the exporter makes sure that they will never be used for the development and/or manufacture of weapons for mass destruction.

weir-type diaphragm valve swd/mwd series

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