One Stem No-pin Wafer Butterfly Valve

Introduction

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.

DATA

SIZE	A	B	C	d0	PCD	N-Q	ISO5211	∅K	∅E	N-∅d1	B1×B1	L
DN40	120	57	33	12.6	110	4-19	F05	65	50	4-7	9×9	26
DN50	140	65	43	12.6	125	4-19	F05	65	50	4-7	9×9	26
DN65	150	75	46	12.6	145	4-19	F05	65	50	4-7	9×9	30
DN80	158	93	46	12.6	160	8-19	F05	65	50	4-7	9×9	30
DN100	176	109	52	15.77	180	8-19	F05	90	70	4-10	11×11	30
DN125	190	125	56	18.92	210	8-19	F07	90	70	4-10	14×14	30
DN150	211	140	56	18.92	240	8-22	F07	90	70	4-10	14×14	40
DN200	235	170	60	22.1	295	8-22	F07	125	102	4-12	17×17	40
DN250	265	205	68	28.45	350	12-22	F10	125	102	4-12	22×22	40
DN300	305	238	78	31.6	400	12-22	F10	125	102	4-12	22×22	40
DN350	368	267	78	31.6	460	16-22	F10	125	102	4-12	22×22	40
DN400	400	309	102	33.15	515	16-26	F14	175	140	4-18	27×27	50
DN450	422	328	114	37.95	565	20-26	F14	175	140	4-18	27×27	70
DN500	480	361	127	41.12	620	20-26	F14	175	165	4-18	36×36	80
DN600	562	459	154	50.62	725	20-30	F16	210	254	4-23	36×36	80