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Our Product Range

Ball Valve

Two Way Ball Valve

Three Way Ball Valve

Four Way Ball Valve

Jacketed Ball Valve

Flush Bottom Ball Valve

Forged Steel Ball Valve

Globe Valve

Gate Valve

Check Valve (NRV)

Swing Type Check Valve

Wafer Type Check Valve

Disc Check Valve

Forged Steel Lift Check Valve

Butterfly Valve

Diaphragm Valve

Strainer

"Y" Type Strainer

Basket Type Strainer

Sight Glass

Tubular Type Sight Glass

Double Window Sight Glass

Forged Steel Valve

Forged Steel Globe Valve

Forged Steel Gate Valve

Forged Steel Lift Check Valve

Forged Steel Ball Valve

 

 

Swing Type Check Valve "Non Return Valve"

Bolted Cover Design, Flanged End
Suitable For Horizontal & Vertical Line

Dharmi Engineers Check Valves [NRV] are Swing Type and Bolted cover Construction. The one piece disc construction is securely fastened to the hinge by means of a lock nut & pin. The Disc is free to rotating type to avoid any other wear. The hinge pin offers excellent wear resistance properties.

Swing Check valves also can be supplied with Titling disc design, Dash pot arrangement and outside lever & weight design for use where control of the disc is desires.

Dharmi Engineers also offer P.T.F.E. (PFA / FEP) Lined Ball Type / ”Y” Type & Rubber Lined Flap Type Check Valves for high corrosive application.

Swing Type Check Valve [NRV]
Bolted Cover Type, 
Suitable for Horizontal & Vertical Both Line
Design Standard: BS 1868
Size Range - 1” to 12”
Pressure Rating - 125# / 150# / 300#
End Connection – Flanged End

Salient Features :

Body & Cover made from high quality casting with liberal sections. The castings are precision machined for high performance

Body Seat Ring & Disc machined to close Tolerances providing smooth action and accurate seating.

Seat Ring Screwed in to the body and replaceable type. Seal welded type Seat Ring & Integral Seat cab also be offered on special request.

Stellited Seat Ring & Disc also can be offered on special request.

In built wear life for long duration of service.

Design & Testing International Standard :

Valve Design

:

BS 1868 / API 6D

Pressure Testing

:

BS 6755-I

Face To Face

:

ANSI B 16.10

Flange Drilling

:

ANSI B 16.5 / BS 10 Table / DIN / IS / JIS Std.

Butt Weld End

:

ANSI B 16.25

Socket Weld End

:

ANSI B 16.11

Screwed End

:

ANSI B 1.20.1(BSP/NPT)

Material of Construction :

Body, Cover & Hinge Lever

Cast Iron to ASTM A 126 Class B
IS 210 GR. FG 200 / 220 / 260

Carbon Steel to IS 2062

Cast Carbon Steel to ASTM A 216 GR. WCB

Stainless Steel to ASTM A 351 GR. CF 8 / 8M / 3 / 3M

Stainless Steel to AISI 304 / 316 / 304L / 316L

Hast Alloy B / C

ASTM A 351 GR. CN 7M (Alloy 20)

Disc

Body Seat Ring

Cast Carbon Steel to ASTM A 216 GR. WCB + 13% Cr. Face

Stainless Steel to ASTM A 351 GR. CF 8 / 8M / 3 / 3M

Stainless Steel to AISI 304 / 316 / 304L / 316L

Hast Alloy B / C

ASTM A 351 GR. CN 7M (Alloy 20)

ASTM A 105 with 13% Cr. Face

AISI 410 (S.S. 410 - 13% Cr. Steel)

AISI 304 (S.S. 304)

AISI 316 (S.S. 316)

AISI 304L (S.S. 304L)

AISI 316L (S.S. 316L)

Integral

Please specify below details at the time of enquiries/orders:

Types of Valve

Pressure Rating Class

Valve Size

Type of End Connection

Drilling Standard, If Flanged End

Material of Construction

Trims (Internal) Parts Material

Flow Medium (Service)

Design Pressure

Operating (Working) Pressure

Design Temperature

Operating (Working) Temperature

Type of Operation Manual / Pne. / Ele. Etc.

Wide Range of Industrial Check Valve

Cast Iron Check Valve (Non Return Valve)

Cast Carbon Steel Check Valve (Non Return Valve)

Cast Stainless Steel Check Valve (Non Return Valve)

Forged Steel Check Valve (Non Return Valve)

Alloy Steel Check Valve (Non Return Valve)

Alloy 20 Check Valve (Non Return Valve)

High Pressure Check Valve (Non Return Valve)

Swing Check Valve (Non Return Valve)

Wafer Type Check Valve (Non Return Valve)

Disc Check Valve (Non Return Valve)

Lift Type Check Valve (Non Return Valve)

Single Disc Check Valve (Non Return Valve)

Rubber lined Check Valve (Non Return Valve)

P.T.F.E. lined Check Valve (Non Return Valve)

Non-Slam Type Check Valve (Non Return Valve)

Zero Leakage Check Valve (Non Return Valve)

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