Shreenath Engineering

DESIGN STANDARD

General Design

: BS 1873

Testing

: API 598

Size

: 2” to 12” (DN50 - DN300)

Type

: Bolted Bonnet, OS & Y,
Flexible Wedge.

Rating

: Class150, Class 300 & Class 600.

Face to Face

: ASME B 16.10

Pressure & Temperature Rating

: ASME B 16.34 ( Standard Class)

Flange Standard Conformity

: ASME B 16.5

Valves meets to BS 1873 design requirements.
Narrow type, Self-aligning & Rotating disc ensure tight shut-off Streamlined flow ensure no pressure drop.
Graphite packing ring, top & bottom rings are braided graphite its ensures effective stem sealing.
Hardened seats minimizes on line erosion & provide maximum service life.
Variety of materials available to suit special application requirement.

PART NO.	PART NAME:	MATERIAL SPECIFICATION
301	Body	A216-WCB	A351-CF8	A351-CF8M
302	Cover	A216-WCB	A351-CF8	A351-CF8M
303	Seat Ring	A105+ 13% Cr	A351-CF8	A351-CF8M
304	Disc	A217- CA15	A351-CF8	A351-CF8M
305	Disc Carrier	A276 410	A276-304	A276-316
306	Hinge Pin	A276 410	A276-304	A276-316
307	End Plug(hex)	A276 304	A276-304	A276-316
308	Nut & Washer	A276 304	A276-304	A276-316
309	Gasket	SS+Graphite Filled
310	Full Thread Stud With 2 Heavy Nuts	A193 B7/ A194 2H	A193-B8/ A194-8	A193-B8M / A194-8M
311	Lifting Bolt ( 6" And Above Only)		CS

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