Q-303 – Qinn CAST STEEL PARALLEL SLIDE BLOW OFF VALVE

PPRODUCT DETAILS

RACK AND PINION OPERATED

WITH SS WORKING PARTS.

END DETAILS

FLANGED ENDS AS PER BS 10 TABLE 'J'

WORKING PRESSURE

SUITABLE FOR MAX BOP 350 psig. MAX. WORKING TEMP. 400ºC

TESTING

700 psig.HYDRAULIC.

MATERIALS OF CONSTRUCTION

PART NO. PART’S NAME MATERIALS SPECIFICATIONS

1 BONNET CAST STEEL ASTM A216 Gr.WCB

2 BUSH BRONZE BS:1400,LG-2

3 PINION BRONZE BS:1400,LG-2

4 RACK BRONZE BS:1400,LG-2

5 GASKET CAF —

6 BODY CAST STEEL ASTM A216 Gr.WCB

7 BODY SEAT RING S.S. AISI-410

8 FEMALE DISC S.S. AISI-410

9 MALE DISC S.S. AISI-410

10 SPRING S.S. AISI-304

11 BUSH BRONZE BS:1400,LG-2

12 STUFFING BOX BRONZE BS:1400,LG-2

13 STUDS & NUTS CARBON STEEL BS:916

14 GLAND BRONZE BS:1400,LG2

15 GLAND PACKING GRAPHITED

ASBESTOS …

DIMENSIONS IN mm

NOMINAL SIZE B D L+1.5 T H~

25mm 25.40 120.7 170.00 19.05 197.00

40mm 38.10 139.80 267.00 22.20 254.00

50mm 50.00 165.10 305.00 25.40 300.00

NOTE:- DUE TO CONTINOUS DEVELOPMENT PROGRAMME, DESIGN & DATA IN THIS LEAFLET ARE SUBJECT TO CHANGE WITHOUT ANY NOTICE.