Back-flow Safety Valve

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zhu.yuqing@zgkkv.com

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Our products now cover a wide range of standardized fluid control products that can be adapted to a variety of drive modes, comprising ball valves, butterfly valves, gate valves, globe valves, check valves, safety valves, rotary ball valves, plunger valves etc. Our products are widely used in water conservancy, municipal, electric power, gas, petrochemical, coal chemical, energy, environmental protection, medicine, real estate, metallurgy, mining and many other fields.

This valve is mounted on the iquidoid refuence pipeline of the pan pump's outlet of the liquefied petroleum gas station,when front pump pressureexceeds the stipulated value ,the valve wil open automatically and lead to safe return ofthe liquid so that ensures the safe operation of eguipmentsand pipelines.

Dimensions (mm)

Nominal diameter	Dimensions(mm)
Nominal diameter	D	D1	D2	b	Z-φd	L	H
25	115	85	65	16	4-14	160	325
32	140	100	78	16	4-18	180	335
40	150	110	85	16	4-18	200	340
50	165	125	100	16	4-18	230	355
65	185	145	120	20	4-18	290	460
80	200	160	135	20	8-18	310	500
100	215	180	155	22	8-18	350	580
150	280	240	210	24	8-24	480	750

A check valve ensures one-way fluid flow, preventing backflow and protecting pipelines and equipment. It maintains system efficiency and reliability in industrial, water supply, and HVAC applications.

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Address: No. 4900 Binhai 3rd Road, Longwan District, Wenzhou City, Zhejiang Province
Production Base: No.11 Xu'an Industrial Zone, Qingtian County, Lishui City
Phone: +86-577-86569666/85986466
Fax: +86-577-85888877
Email: zhu.yuqing@zgkkv.com
WhatsApp: +86-1 7757741891

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