Precitech Valve Mfg. Co.

We are specialized in offering precision-engineered range of check valves that are widely used in various industrial applications such as refineries, chemical plants, paper industries, fertilizer plants, pulp industries and other process industries. Check valves are two-port valves, that means they have two openings in the body, one for fluid to enter and the other for fluid to leave. Fabricated using optimum quality material, these valves are known for their precise dimensions, corrosion resistance and durability. Compliant to international standards, these can be availed varied sizes and specifications.

Sr. No.	NOMENCLATURE	MATERIAL
1	Body	ASTM A 216 Gr. WCB	CF 8	CF 8M
2	Seat Ring	WCB+13%Cr.	CF 8	CF 8M
3	Disc	WCB+13%Cr.	CF 8	CF 8M
4	Hinge	WCB	CF 8	CF8M
5	Nut & Lock Nut	AISI 410	AISI 304	AISI 304
6	Hinge Pin	AISI 410	AISI 304	AISI 316
7	Body Gasket	CAF/SS 304 SWG/Equivalent
8	Cover	WCB	CF 8	CF8M
9	Body Stud / Nut	ASTM A 193 GR. B7 / A 194 GR. 2H
10	Washer	MS	AISI 304

Size Range :

• 25mm to 300mm
• 40mm to 250mm

Technical Data

1) Construction :- Swing / Lift up type disc, bolted cover, renewable / integral seating arrangement
2) Design & Manufacturing STD.:- BS - 1868 / API 6D
3) Inspection & Testing STD.:- BS - 5146/API 598
4) Face To Face :- As per ANSI B 16.10
5) End Connection :- Flanged as per ANSI B 16.5 RF

Engineering Options :

• Stellite Seat & Disc
• Special Gasket
• Soft Seating on Request
• Trim Parts of Other Material on Request

TEST PRESSURE
CLASS	HYDROSTATIC
	BODY	SEAT
150	30 Kg / Cm2	22 Kg / Cm2
300	76 Kg / Cm2	55 Kg / Cm2

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