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Model: D71X
Nominal diameter: DN50-800mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: ≤80 ~ 120 ℃
Medium: air, water, water, steam, gas, oil, etc.
Main material: ductile iron, steel, alloy steel, stainless
drive forms: manual, worm gear, gas transmission, electric transmission
design criteria: GB / T2238-1989
flange size: GB / T9113.1-2000; GB / T9115.1-2000 ; JB78
Structure Length: GB / T12221-1989
Pressure Test: GB / T13927-1992; JB / T9092-1999

【Aluminum alloy handleless butterfly valve D71X-Product Description】

Aluminum alloy pinless handle butterfly valve D71X This product is made of rubber sealing butterfly valve and carbon steel or stainless steel valve plate and valve stem. For temperature ≤ 80 ~ 120 ℃ Such as food, medicine, chemicals, petroleum, electricity, textile, paper and other water supply and drainage, gas pipeline for regulating the role of flow and interception of the media.

【Aluminum alloy handleless butterfly valve D71X - Features】

 1, novel design, reasonable, unique structure, light weight, quick opening and closing. 
 2, torque is small, easy to operate, labor-saving smart. 
 3, can be installed in any location, easy maintenance. 
 4, seals can be replaced, sealing performance and reliable two-way seal to achieve zero leakage. 
 5, anti-aging sealing material, resistance to weak corrosion, long life and other characteristics.

 【Aluminum alloy handleless butterfly valve D71X - Overall dimensions】

DN(mm)	A	B	C	D1	L	n-Φ	K	E	4-Φ1	Φ2	G	重量WT（kg)
50	140	80	43	125	32	4-19	77	57.15	4-6.7	12.6	100	3.34
65	152	89	46	145	32	4-19	77	57.15	4-.67	12.6	120	3.94
80	159	95	46	160	32	8-19	77	57.15	4-.67	12.6	127	4.05
100	178	114	52	180	32	8-19	92	69.85	4-10.3	15.77	156	5.48
125	190	127	56	210	32	8-19	92	69.85	4-10.3	18.92	190	7.66
150	203	139	56	240	32	8-23	92	69.85	4-10.3	18.92	212	8.5
200	238	175	60	295	45	8-23	115	88.9	4-14.3	22.1	268	25
250	268	203	68	350	45	12-23	115	88.9	4-14.3	28.45	325	31.4
300	306	242	78	400	45	12-23	140	107.95	4-14.3	31.6	403	45.9
350	368	267	78	460	45	16-23	140	107.95	4-14.3	31.6	436	54