Bronze Parallel Slide Blow Off Valve (Flanged) - TSV Eximp Pvt Ltd

Article Code 1052

Salient Features

Flanged Ends to BS 10 Table ‘H’.
Maintains fluid tightness and easy in operation because of sliding action of discs.
Discs are kept in close contact with body rings by means of a spring when the valve is under pressure.
Premium Quality lubricated Gland Packing.
Bolted Bonnet.
Valve is operated by means of Rack and Pinion arrangement, in such a manner that valve is opened fully with half turn of the box key.
Gland forms a locking guard which prevents removal of the key unless the valve is closed.

Test Pressure (Hydrostatic) :
Shell : 35.15 kg/cm²g (500 psig)
Working Pressure (Steam) : 17.58 kg/cm²g (250 psig)
Maximum Working Temperature : 225°C

Suitable For Steam, Water

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Materials

P.No.	Name of Part	Material of Construction	Specification	Quantity
1	Bonnet	Bronze	IBR 282 (a) (iv) Gr. B	1
2	Rack	Bronze	IBR 282 (a) (iv) Gr. B	1
3	Studs	Alloy Steel	ASTM A193 Gr. B7	As Reqd.
4	Nuts	H.T Steel	ASTM A194 Gr. 2H	As Reqd.
5	Body	Bronze	IBR 282 (a) (iv) Gr. B	1
6	Gasket	Steam Joining Sheet	IS 2712 Gr. W/3	1
7	Body Seat Ring	Stainless Steel	ASTM A 276 Type 410	1
8	Male Disc	Stainless Steel	ASTM A 276 Type 410	1
9	Female Disc	Stainless Steel	ASTM A 276 Type 410	1
10	Spring	Stainless Steel	IS 4454 Part 4 Gr. 2	1
11	Pinion	Stainless Steel	ASTM A 276 Type 410	1
12	Nuts	H.T. Steel	ASTM A194 Gr. 2H	As Reqd.
13	Studs	Alloy Steel	ASTM A193 Gr. B7	As Reqd.
14	Gland	Bronze	IBR 282 (a) (iv) Gr. B	1
15	Gland Packing	Graphited Asbestos	IS 4687	–
16	Stuffing Box	Bronze	IBR 282 (a) (iv) Gr. B	1
17	Gasket	Steam Joining Sheet	IS 2712 Gr. W/3	1
18	Nuts	H.T. Steel	ASTM A194 Gr. 2H	As Reqd.
19	Studs	Alloy Steel	ASTM A193 Gr. B7	As Reqd.

Sizes / Dimensions

Size (Inches)	Size (mm)	A ±1.5	B ~
1	25	169	138
1 1/4	32	178	157
1 1/2	40	190	204
2	50	206	206

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