Air Valves BS 1074

  Product Description   DESSIGN&MANUFACTURE STANDARD:BS5163—PN10/PN16 MATERIAL LIST     1.BODY :                       GREY CAST IRON/DUCTILE IRON   2.BONNET:                    GREY CAST IRON/DUCTILE IRON   3.STEM:                        BRASS OR STAINLESS STEEL   4.YOKE NUT:                             CAST BRASS   5.WEDGE:                                 NBR / EPDM   6.CAP:                         GREY CAST IRON/DUCTILE IRON   7.GLAND PACKING:                       NBR / EPDM     Dimensions

SIZE	BS4504 PN10					BS4504  PN16					H
	D	D1	b	Z- Φ d	Do	D	D1	b	Z- Φ d	Do
in.2(50mm)	165	125	20	4-19	155	165	125	20	4-19	155	200
in.2½ (65mm)	185	145	20	4-19	155	185	145	20	4-19	155	200
in.3(80mm)	200	160	20	4-19	210	200	160	20	4-19	210	230
in.4(100mm)	220	180	22	8-19	220	220	180	22	8-19	220	240
in.5(125mm)	250	210	22	8-22	220	250	210	22	8-22	220	240
in.6(150mm)	285	240	24	8-22	270	285	240	24	8-22	270	280
in.8(200mm)	340	295	24	8-22	280	340	295	24	8-22	280	325
in.10(250mm)	395	350	26	12-25	280	395	350	26	12-25	280	335
in.12(300mm)	445	400	26	12-25	320	445	400	26	12-25	320	355

    APPLICABLE STANDARD 1.FLANGE DRILLEDACC.               TO BS4504-PN10/PN16 2.FACE TO FACE DIMENSIONACC.     TO BS4504-PN10/PN16 3.FLANGE                               RAISED FACE FLANGE   4.MAXIMUM WORKING PRESSURE         16BAR(1.6mpa)   5. MAXIMUM WORKING TEMPERATURE    100℃         Test   HYDRAULIC TEST ACC TO BS5163—PN10/PN16 SEAT:1.1XPN.BODY:1.5 XPN OPERATINGtorque test.