Diaphragm valve

Pneumatic Diaphragm Valve

Pneumatic diaphragm valves use a pneumatic actuator to control the opening and closing of the valve diaphragm. They can be optionally equipped with intelligent controllers such as the C-TOP, positioners like the IL-TOP, and position feedback devices such as the F-TOP, thereby meeting a wide range of automated control requirements.
Technical Specifications
Specifications: 1"-4", DN25-DN100
Pressure: 10 bar (145 PSI)
Material: ASTM 316L, 1.4404, 1.4435 NB2 Fe < 0.5%
Temperature: -20°C to 150°C (depending on diaphragm material)
Connections: Quick-Connect, Welding, Threaded; 3A, BPE, DIN, SMS, IDF, ISO
Valve body configurations: straight-through, three-way, U-shaped three-way, tank-bottom valve, and multi-port diaphragm valve.
Diaphragm materials: EPDM+PTFE (double-layer)/EPDM/Silicone/FPM (Viton)
Valve body type: cast, forged

U-shaped diaphragm valve

Technical Specifications
SIZE: 1/4" - 3/4", DN6-DN15
Standard BPE 3A DIN ISO IDF
Certified to PED/97/23/EC, 3A-18-03, and FDA 177.2600.
Maximum temperature: -20 to 150°C (depending on the sealing material) (stainless steel actuator)
Maximum temperature: -20 to 130°C (depending on the sealing material) (plastic actuator)
Maximum pressure:
Normally closed rubber: 8 bar; PTFE: 6 bar (optional)
Normally closed rubber: 6 bar; PTFE: 4.5 bar (standard)
Normally open and double-acting rubber: 8 bar; PTFE: 6 bar
Forged valve body: 316L/1.4404, ASME BPE 316L, 1.4435 NB2 Fe ≤ 0.5%
Cast valve body: 1.4404/316L
Connection methods: welding, clamp, flange, threaded
Operation mode: manual and pneumatic

Manual Diaphragm Valve

Pneumatic diaphragm valves use a pneumatic actuator to control the opening and closing of the valve diaphragm. They can be optionally equipped with intelligent controllers such as the C-TOP, positioners like the IL-TOP, and position feedback devices such as the F-TOP, thereby meeting a wide range of automated control requirements.
Technical Specifications
Specifications: 1"-4", DN25-DN100
Pressure: 10 bar (145 PSI)
Material: ASTM 316L, 1.4404, 1.4435 NB2 Fe < 0.5%
Temperature: -20°C to 150°C (depending on diaphragm material)
Connections: Quick-Connect, Welding, Threaded; 3A, BPE, DIN, SMS, IDF, ISO
Valve body configurations: straight-through, three-way, U-shaped three-way, tank-bottom valve, and multi-port diaphragm valve.
Diaphragm materials: EPDM+PTFE (double-layer)/EPDM/Silicone/FPM (Viton)
Valve body type: cast, forged

Diaphragm valve at the bottom of the tank

Technical Specifications
Pneumatic diaphragm valves for tank bottoms are used for venting and draining process media in pharmaceutical tank equipment.
SIZE: 1"-4", DN25-DN100
Maximum temperature: -20 to 150°C (depending on the diaphragm) (stainless steel actuator)
Maximum temperature: -20 to 130°C (depending on the diaphragm) (plastic actuator)
Maximum pressure:
Normally closed rubber: 8 bar; PTFE: 6 bar (optional)
Normally closed rubber: 6 bar; PTFE: 4.5 bar (standard)
Normally open and double-acting rubber: 8 bar; PTFE: 6 bar
By switching to different actuators, higher pressure ratings can be achieved.
Forged valve body: 1.4404/316L /1.4435 NB2 Fe ≤ 0.5%
Cast valve body: 1.4404/316L
Connection methods: welding, clamp, flange, threaded
Valve body configuration: 2-port, 3-port, etc.
Diaphragm materials: EPDM+PTFE (double-layer)/EPDM/Silicone/FPM (Viton)
Certification: 3A-18-03, PED/97/23 EC, FDA 177.2600

Diaphragm valve body

Technical Specifications
Specifications: 1"-4", DN25-DN100
Material: ASTM 316L, 1.4404, 1.4435 NB2 Fe < 0.5%
Connections: Quick-Connect, Welding, Threaded; 3A, BPE, DIN, SMS, IDF, ISO
Valve body configurations: straight-through, three-way, U-shaped three-way, tank-bottom valve, and multi-port diaphragm valve.
Valve body type: cast, forged
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