FEP-PFA Lined Ball Type Non Return Valve

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“aira” Offers FEP / PFA Lined Diaphragm Valve are generally used for pressure, temperature, flow & level control of extremely Corrosive, Hazardous, pure Liquid, Vapours and Gas Media in the Chemical, Pharmaceutical and Other Industrial applications. The lining is done in – house.

Specification & Standard

Design & Manufacturer

API 600/ BS 1873

Valve Face To Face Dimension

DIN 3202

Inspection & Testing

API 598 / BS EN 12266 PART - I

Leakage Class

Class VI

End Connection

Flanged End

Valve Rating

Flanged 150#

Spark Test

15 Kv DC to 40 Kv DC

Certification

Design CE Approved, SIL3 Approved, IBR Approved

Shout Off Rating

VI Class

Stem Material

CF8 , CF8M, WCB + ENP, HAST ALLOY, DUPLEX, MONEL, CF3M

Size Range

1/2'' To 8'' (15MM To 200MM)

Tempreature Range

PFA: 230°C/ FEP: 160°C

Pressure Class

PN 6

Media

Chemical

Body Material

CAST IRON(CI), DUCTILE IRON(DI), S.G IRON(SGI), WCB, CF8, CF8M, CF3M, SS 304L, DUPLEX, HAST ALLOY, MONEL

Bonnet Material

CF8, CF8M, WCB + ENP, HAST ALLOY, DUPLEX, MONEL, CF3M

Flanged Drilling

ASME B 16.5 Class 150#

Face To Face

ASME B 16.10

Fugitoive Emissions

Yes

Disc Material

CF8 , CF8M, WCB + ENP, HAST ALLOY, DUPLEX, MONEL, CF3M

1 – UPPER STEM BUSHING: An upper stem bushing, retainer by a stainless steel ring, is provide to absorb actuator side thrusts and is acetal as standard or PTFE as an option.

2 – UPPPER STEM SEAL: Keeps environmental contaminants from entering the stem bore.

3 – BEARINGS: PTFE impregnated steel bearing provided for the precision alignment of the upper and lower stem.

4 – PRIMARY SEAL: The primary seal is achieved by an interference fit between the extra wide disc hubs and contoured seat.

5- SEAT DESIGN: The unique seat geometry lowers seating unseating toque while reducing wear on the contacting parts