Casting Steel Welded P.S.B Globe Valve

Casting steel welded PSB globe valve is suitable for ANSI Class 1500～3500Lb, working temperature -29～570°C oil, chemical, thermal power station and other working conditions, mainly used to connect or cut off the medium in the pipeline, generally Not used to regulate flow. The pressure and temperature range applicable to the shut-off valve is large, but it is generally used for medium and medium pipes. Applicable medium: water, steam, etc.

Product Details

Products Description

Casting steel welded P.S.B globe valve is suitable for ANSI Class 1500～3500Lb, working temperature -29～570°C oil, chemical, thermal power station and other working conditions, mainly used to connect or cut off the medium in the pipeline, generally Not used to regulate flow. The pressure and temperature range applicable to the shut-off valve is large, but it is generally used for medium and medium pipes. Applicable medium: water, steam, etc.

Standard

1. DESIGN AND MANUFACTURE:	BS 1873/ASME B16.34
2. FACE TO FACE DIMENSIONS:	ASME B16.10
3.FLANGE ENDS DIMENSIONS:NPS 1/2”-24”	ASME B16.5
4. BW ENDS DIMENSIONS:	ASME B16.25
5. PRESSURE-TEMPERATURE RATINGS:	ASME B16.34
6. NORMAL PRESSURE:	CLASS 900~2500
7. NORMAL DIAMETER:	NPS 2″~8″

Specification

1.PRESSURE SEAL BONNET (PSB) DESIGN

2.DISC TYPE: PLUG DISC, ADJUSTABLE DISC, DOUBLE DISC

3.SEAT TYPE:WELDED SEAT OR INTEGRAL SEAT

4.BACK SEAT DESIGN

5.PACKING IS FLEXIBLE GRAPHITE OR ACCORDING TO CLIENTS REQUIREMENTS. AND A

SPRING-LOADED MECHANISM CAN BE PROVIDED AS PER SPECIAL REQUIREMENTS

6. OUTSIDE SCREW AND YOKE(OS&Y)

Feature

1. The casting steel welded P.S.B globe valve is designed and manufactured according to ANSIB16.34 and E101 standards and can be used with imported equipment.

2. The valve cavity adopts a pressure self-tightening sealing structure. The higher the internal cavity pressure, the better the sealing performance.

3. The sealing surface of the valve disc and the valve seat is made of stellite cobalt-based hard alloy, and the sealing surface

4. The bonnet stuffing box has a reasonable depth, the filler is added with corrosion inhibitor, the seal is reliable, and the switch is stable.

5. The casting steel welded P.S.B globe valve has an upper sealing structure to ensure that the valve does not leak outside the valve stem when it is opened.

Material List

ITEM	PARTNAME	STANDARD	LOW TEMPERATURE	STAINLESS STEEL
1	BODY	A216 WCB	A217 WC6	A351 CF8M
2	SEAT	A105	A182 F11	A182 F316
3	DISC	A105	A182 F11	A182 F316
4	DISC NUT	A105	A182 F11	A182 F316
5	STEM	A182 F6	AISI 4140/4340	A182 F316
6	SEALING RING	AISI 1008/SS304L/SS316L
7	BONNET	A216 WCB	A217 WC6	A351 CF8M
8	YOKE	A216 WCB	A217 WC6	A351 CF8
9	LANTERN RING	276 410	276 410	276 316
10	PACKING	GRAPHITE/PTFE
11	LOCK NUT	CARBON STEEL	CARBON STEEL	STAINLESS STEEL
12	CUPPING RING	CARBON STEEL	CARBON STEEL	STAINLESS STEEL
13	GLAND	276 410	276 410	A276 316
14	GLAND FLANGE	A216 WCB	A216 WC6	A351 CF8
15	GLAND NUT	A194 2H/2HM	A194 4	A194 8
16	EYEBOLT	A193 B7/B7M	A193 B16	A193 B8
17	GEAR	ASSEMBLY
	SEALING FACE OVERLAY	API TRIMS AVALIABLE

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