Pneumatic Diaphragm Control Valve

Pneumatic Diaphragm Control Valve

Pneumatic Actuation:Diaphragm actuator ensures responsive control.
Precise Regulation:Delivers accurate flow and pressure adjustment.
Stable Operation:Provides smooth and consistent performance.
Fast Response:Quickly reacts to control signals.
Reliable Sealing:Ensures tight shut-off and minimal leakage.
Wide Application:Suitable for various industrial control systems.

Pneumatic Diaphragm Single Seat Control Valve

Product Application

Pneumatic Diaphragm Single Seat Control Valve adopts a top-guided structure, compact design, and features double balanced valve body channels. It offers stable pressure drop loss, large flow capacity, wide adjustable range, and high flow characteristic accuracy.

It is suitable for media with small working pressure differences and strict leakage requirements.

Pneumatic Diaphragm Single Seat Control Valve

Main Parts Materials

Name of partsBodySeatFillerDiaphragm
MaterialZG230–450, ZG1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, etc.1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, F4, etc.Polytetrafluoroethylene, flexible graphiteNBR nylon cloth

Main Size of Outside & Weight

L (mm)

Nominal diameter (mm)JIS 10K FF / ANSI 125 FF / ANSI 150 RF / JPI 150 RF / PN1.6MPaJIS 16K RFJIS 20K RF / ANSI 300 RF / JPI 300 RF / PN4.0MPaJIS 40K RF / ANSI 600 RF / JPI 600 RF / PN6.4MPaANSI 150 RJ / JPI 150 RJANSI 300 RJ / JPI 300 RJANSI 600 RJ / JPI 600 RJJIS 16K LGJIS 20K LGJIS 30K LGANSI 300 LG / JPI 300 LGANSI 600 LG / JPI 600 LGANSI 150 SW/BWANSI 300 SW/BWANSI 600 SW/BW
40222231235251235248251235236248244248254251251
50254263267286267283289265267276276283286286286
65276288292311289308314290292303302308311311311
80298313317337311333340310317326327333337337337
100352364368394365384397360368379378391394394394
150451465473508464489511475473486483505473508508
200543560568610556584613570568580578606568610610

Dimensions & Height

Nominal diameter (mm)40506580100150200
Standard type H (mm)4254275755806107851090
Extended I H (mm)59059574575581010201350
Extended II H (mm)70571088090091512501580
Extended III H (mm)94595011301135115013851710
H1 (mm)70808898113170220
D (mm)285285285360360470470

Weight (kg)

Standard40506580100150200
ANSI 125, 150, JIS 10K3541627592201276
ANSI 300, JIS 16K, 20K, 30K40466583100233339
ANSI 600, JIS 40K485182105135283459
Welded SW4248678897223330

Pneumatic Diaphragm Three way Control Valve

Product Application

Pneumatic Diaphragm Three way Control Valve is a special control valve used for three-way regulation. It offers high control accuracy and stable, reliable operation.

The mixing (confluence) type is mainly used to combine two fluids into a third fluid, while the diverting (split) type is used to divide one fluid into two streams.

This product can replace two sets of single-seat or double-seat regulating valves that would otherwise be used in combination. It is suitable for regulating and controlling liquids, gases, steam, and other media.

Pneumatic Diaphragm Three way Control Valve

Main Parts Materials

Name of partsBodySeatFillerDiaphragm
MaterialZG230–450, ZG1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, etc.1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, F4, etc.Polytetrafluoroethylene, flexible graphiteNBR nylon cloth

Main size of outside & weight

Nominal diameter (mm)253240506580100125150200
L (PN 1.6 MPa)185200220250275300350410450550
L (PN 4.0 MPa)190210230255285310355425460560
L (PN 6.4 MPa)200210235265295320370440475570
H1 (PN 1.6 MPa)140150160180200220220256278322
H1 (PN 4.0 MPa)150160170190220232256295313372
H1 (PN 6.4 MPa)160170180200220242266300318382
H (Standard)435441465480584585575762772792
H (Heat dissipation)565574595610631748738961971989
D (mm)285360470
Weight (kg)72758188135158190262322450

Pneumatic Diaphragm Angle Control Valve

Product Application

Pneumatic Diaphragm Angle Control Valve features a simple valve body design that is easy to manufacture and avoids defects caused by loose casting in traditional angle valves. It is equipped with a compact pneumatic diaphragm actuator.

The actuator provides stable and reliable operation, a simple flow path, and good anti-blocking performance. The valve is suitable for regulating high-viscosity media, as well as media containing suspended solids and granular particles, or applications requiring right-angle connections.

Pneumatic Diaphragm Angle Control Valve

Main Parts Materials

Name of partsBodySeatFillerDiaphragm
MaterialZG230–450, ZG1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, etc.1Cr18Ni9Ti, 316, 316L, corrosion resistant alloy, F4, etc.Polytetrafluoroethylene, flexible graphiteNBR nylon cloth

Main size of outside & weight

Nominal diameter (mm)20253240506580100125150200
L (PN 1.6 MPa)8595115115130145155175200240300
L (PN 4.0 MPa)8595115115130145155175200240300
L (PN 6.4 MPa)100115130130150170190215250275325
H (Standard)413421449468463584623658766796801
H (Heat dissipation)5435515795985937477868219659951000
D (mm)285360470
Weight (kg)24333637417686104174212310

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