Bolt Flange Diaphragm Valves

21 Results
Differential Valve
from Liquid Controls Group; a Unit of IDEX Corporation

Provides a constant 15 PSI differential pressure and controls flow when vapor is sensed. This Basic Diaphragm Style Valve is spring loaded and designed to fail closed. [See More]

  • Connection Description: BoltFlange; 2", 3" , 4", 6" Flanges
  • Primary Material: Aluminum (optional feature); Ductile Iron (optional feature); Steel (optional feature)
  • Media: Gas; Gasoline / Diesel Fuel
Automatic Diaphragm Valves
from G.I.E. Inc.

Automatic Diaphragm Valves — Standard Actuator. The GIE, Inc. broad line of diaphragm valves is widely applied throughout the chemical, food, paper, steel, mining, pharmaceutical, and other process industries wherever positive shut-off, non-contamination, or ease of maintenance is required. [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 200.00
  • Valve Size: 0.50 to 8.00
  • Media Temperature: 340
Manual Diaphragm Valves (plastic)
from GF Piping Systems

The new Generation Diaphragm Valve of GF Piping System sets new standards regarding safety, efficiency and simplicity. Instead of the commonly used four metal screws, it has a central union nut. This non-corrosive connection is characterized by homogeneous temperature behavior, even surface pressure... [See More]

  • Connection Description: BoltFlange; Union; Butt Weld; Socket Weld; Fusion
  • Maximum Pressure: 240.00
  • Valve Size: 0.50 to 2.00
  • Primary Material: ABS; PVC; CPVC; PP; PVDF
Diaphragm Valve (DN 16-40) -- Series 220
from VAT, Inc.

Manually operated diaphragm valves with forged body and robust actuator. Features. Diaphragm made of FKM (VITON). Easy replacement of the diaphragm [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 72.52
  • Valve Size: 0.62 to 1.50
  • Media Temperature: 212
Saunders Diaphragm Valve Type A -- 010-33
from XOMOX (A Crane Co. Company)

As the innovator and leader in diaphragm valves, we continually develop our diaphragm technology and remain the only manufacturer to have complete ownership of the research and development, design and production involved. Saunders offers a full range of diaphragm selections engineered to meet the... [See More]

  • Connection Description: BoltFlange; Flanged - Unlined
  • Primary Material: Brass / Bronze (optional feature); Cast Iron (optional feature); Ductile Iron (optional feature); Stainless Steel (optional feature); Steel (optional feature); Rubber, Butyl, Hypalon, ETFE, PFA; PTFE (optional feature); PP (optional feature); PVDF (optional feature)
  • Valve Size: 0.25
  • Actuation: Mechanical
Pressure Reducing Valve -- GD-200
from Armstrong International

The GD-200/200H valves offer high capacity and highly accurate control, with a large, cupped diaphragm for a long stroke. Compact and rugged, the GD-200 ’s composition valve and bronze metal seat mean high performance over a longer service life. Well suited to non-viscous liquid pressure... [See More]

  • Connection Description: BoltFlange; (2", 2-1/2", 3", 4", 5", 6") Flange
  • Maximum Pressure: 150.00
  • Valve Size: 2.00 to 6.00
  • Media Temperature: ? to 175
Hayward Diaphragm Valves -- 19571
from U.S. Plastic Corporation

Diaphragm valves are engineered to provide superior handling of difficult media such as corrosive fluids, abrasives and slurries. They can also be used for high purity and sanitary applications. The valve controls flow by varying the space between a stationary weir and a moveable flexible diaphragm. [See More]

  • Connection Description: BoltFlange
  • Primary Material: CPVC
Industrial Diaphragm Valve -- GEMU® 620
from Gemu Valves

Construction. The GEMU 620 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator which can be controlled by inert gaseous media. Features. Suitable for inert and corrosive liquid and gaseous media. Insensitive to particulate media. Valve body and diaphragm available... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 87.02 to 145.04
  • Valve Size: 2.50 to 12.00
  • Media Temperature: 104 to 302
Diaphragm Valve -- SISTO-KB
from KSB AG

Design. Diaphragm valve; shut-off and sealing to atmosphere by diaphragm; straight-way pattern, position indicator with integrated stem protection. DN 125 to 200 with threaded bush. All moving parts are separated from the fluid by the diaphragm; maintenance-free, PN10. Applications. In building... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 145.04
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 284
Pressure Reducing Valve -- GD-2000K
from Armstrong International

The GD-2000K is an ideal choice when set-point changes are frequent, access to the valve is difficult and steam quality is poor. The GD-2000K comes with either NPT or flanged connections for quick, easy installation. It also comes with a durable ductile iron body and features double stainless steel... [See More]

  • Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
  • Maximum Pressure: 300.00
  • Valve Size: 0.50 to 4.00
  • Media Temperature: ? to 450
Industrial Diaphragm Valve -- GEMU® 657
from Gemu Valves

Type. Type 657 manual straightway - high flow, Ductile iron handle and bonnet. Nominal Size. 1 1/2". 1". 2 1/2". 2". 3". 4". 6". 8". Connection. 125# Flat Face Flange. 150# Flat Face Flange. Valve Body Material. Cast Iron - ASTM A-126 Class B Body. Ductile Iron with Butyl Lined Body. Ductile Iron... [See More]

  • Connection Description: BoltFlange
  • Media: Air; Compressed Air; Gas; Natural Gas; Sour Gas; Corrosive, Inert, Gaseous & Liquid Media
  • Valve Size: 1.00 to 8.00
  • Primary Material: Ductile Iron
Flanged Diaphragm Valve -- SISTO-10
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby spiral-supported diaphragm (DN 65 and above); position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm, maintenance-free, PN10. Applications. In industrial and chemical... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 145.04
  • Valve Size: 0.59 to 11.81
  • Media Temperature: 14 to 320
Pressure Reducing Valve -- GP-1000A
from Armstrong International

The GP-1000 Series valves are pilot-controlled for accurate regulation of pressure under widely ranging flow. The internal-pilot design eliminates external components and piping. Internally piloted GP Series valves are capable of larger capacity and greater accuracy than direct-acting valves. [See More]

  • Connection Description: BoltFlange; (2", 2-1/2", 3", 4") Flanged
  • Maximum Pressure: 15.00 to 150.00
  • Valve Size: 2.00 to 4.00
  • Media Temperature: ? to 175
Flanged Diaphragm Valve -- SISTO-10S
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby spiral-supported diaphragm (DN 65 and above); position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm, maintenance-free, PN10. Applications. In industrial and chemical... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 145.04
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 320
Pressure Reducing Valve -- GP-2000
from Armstrong International

The GP-2000 is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability and high Cv, the... [See More]

  • Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
  • Maximum Pressure: 300.00
  • Valve Size: 0.50 to 6.00
  • Media Temperature: ? to 450
Flanged Diaphragm Valve -- SISTO-16
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby completely enclosed spiral-supported diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm; maintenance-free, PN 16. Applications. In building services,... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 232.06
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 320
Pressure Reducing Valve -- GP-2000K-3
from Armstrong International

A high-performance externally air-piloted pressure-reducing valve, the GP-2000K-1/GP-2000K-3/GP-20000K-6 is an ideal choice when set-point changes are frequent and access to the PRV is difficult. The valve comes totally assembled and requires no field installation except downstream sensing line and... [See More]

  • Connection Description: BoltFlange; (2", 2-1/2", 3", 4", 6") Flange
  • Maximum Pressure: 300.00
  • Valve Size: 2.00 to 6.00
  • Media Temperature: ? to 450
Flanged Diaphragm Valve -- SISTO-16 TWA / HWA / DLU
from KSB AG

Design. Flanged diaphragm valve for drinking water installations toDIN 1988, DIN-DVGW Water approved acc. to test W 270, in compliance withKTW recommendations (use of elastomers in drinking water applications); shut-off and sealing to atmosphere by completely enclosed diaphragm; position indicator... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 232.06
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 194
Flanged Diaphragm Valve -- SISTO-16S
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby completely enclosed spiral-supported diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm; maintenance-free, PN 16. Applications. In building services,... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 232.06
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 320
Flanged Diaphragm Valve -- SISTO-20
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby completely enclosed spiral-supported diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm; maintenance-free, PN 16. Applications. In building services,... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 232.06
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 320
Flanged Diaphragm Valve -- SISTO-KBS
from KSB AG

Design. Flanged diaphragm valve; shut-off and sealing to atmosphereby diaphragm; straight-way pattern, position indicator with integrated stem protection. DN 125 to 200 with threaded bush. All moving partsare separated from the fluid by the diaphragm; maintenance-free, PN10. Applications. In... [See More]

  • Connection Description: BoltFlange
  • Maximum Pressure: 145.04
  • Valve Size: 0.59 to 7.87
  • Media Temperature: 14 to 284