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Forged Body Screwed Ball Valve
Oct 25, 2018

FORGED BODY SCREWED BALL VALVE

Technical Specifications for 1/2-Size Ball Valve

 (All Standards mentioned herein are meant to be the latest editions)

Full Bore Ball valve (2 pcs.) to be used for Natural Gas having Sp. gr. 0.6 (At air = 1), to be field repairable, solid ball, antistatic device, blow out proof system, detailed description and specifications of the valves to be as follows:

Sl. no.

Item

Specification

1

Valve design and Manufacturing

As per API 608/ASME B16.34

2

Face to Face dimension

As per ASME B 16.10

3

Thread

As per ASME B 1.20.1 NPT   F-Tapered, ASME B 16.11, Class: 800#

5

Material   of construction:



(a)      Body   and Body Connector

A182 F316


(b)     Ball

ASTM 316


(c)      Stem

ASTM 316


(d)                                        Seat

RTFE


(e)      Packing

PTFE/ Graphite


(f)      Gland

AISI 316


(g)      O ring

Viton


(h)     Gasket

Graphite


(i)       Handle   and Nut

Stainless steel. PVC coating for handle.

6

Operation

Lever Operated with lock   position ON & OFF.

7

Valve Testing

As per 598. Fire safe design certificate   (API607/6Fa) issued by internationally recognized authority i.e. ABS / Lloyds   / BV / DNV.

8

Valve Marking

The identification marking on valves shall be   as per MSS-SP25 (latest edition) including the following:

(a) Name Plate contains information:   Manufacturer’s Name & Trade mark, Rating, Size, Valve Body, and Trim   material.

(b) Body contains: Body material, Trade mark   and Pressure rating.


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