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| PNEUMATIC DIAPHRAGM CONTROL VALVES: |
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| ACTUATORS: |
Direct acting, spring return type diaphragm actuator, air to open or air to close type. |
| CHAMBER MATERIAL: |
Cast Iron. |
| DIAPHRAGM: |
Fabric reinforced Neoprene rubber for strength and flexibility producing long cycling lifetime.
Performed shape for added flexibility and linear response. |
| AIR PRESSURE TO DIAPHRAGM: |
15 TO 30 PSIG |
MOTORISED CONTROL VALVES
ACTUATORS: |
The valves having motorized actuators. 230 v a.c.. Three way mixing or diverting. |
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| SPECIAL FEATURES |
| SIZES AVAILABLE |
½ “to 6” |
| END CONNECTIONS |
Flanged End, Screwed end connections confirming to DIN, ISO, BS, ANSI standards with raised face , flatface to tongue & Groove etc. |
| TRIM MATERIAL |
Unless specified otherwise, Valve P LUG & Seat Rings are of Stainless Steel Soft Seating material like Teflon etc. are supplied against specific requirements.Both the seat ring and plug are replacable separately. |
| VALVE PLUG CHARACTERISTICS |
to meet various flow control characteristics, following types of plug designs are available: |
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| 01. |
Quick open plug, Skirt guided for quick opening & closing valve. Ideal for on- off type of controlling action. |
| 02. |
V Port hollow skirt plug, skirt plug, skirt guided. This type of plug is having linear characteristics and is recommended for modulating type control. |
| 03. |
Vport hollow skirt plug, top & bottom guided. |
| 04. |
Counter plug, top & bottom guided having linear or equal percentage characteristics. |
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| PACKING |
Asbestos, Teflon of Graphited Asbestos Gland Packing |
| BONNET |
| 01. |
Plain bolted bonnet upto 200 c |
| 02. |
Extended radiating finned bonnet upto 600c |
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| LEAKAGE FACTORS |
| 01. |
0.01% OF C.V for single seated valve |
| 02. |
0.15% of C.V for double contact. |
| 03. |
Bubble tight shut- off single seated having soft seat rigs. |
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| INSTALLATION: |
| Install the valve with daiphragm actutators in either vertical or inverted position. Horizontal mounting is not recommended. |
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| MATERIAL OF CONSTRUCTION: |
C.I. / C.S. / S.S.-304 / S.S. 316 / BRONZE / G.M. or as required.
APPLICATIONS: for control of gas , oil, air, water- steam etc in textile, paper, pulp, chemicals & petro – chemical industries. |
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