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YQ series safety pressure gauge

◆ Model: YQ40 YQ50 YQ60 YQ75 YQ100 YQ150
◆ Use: This series of gauges are all made of stainless steel, with internal safety partition and pressure relief holes at the top to release excessive pressure inside the case due to rupture caused by overload or fatigue of elastic elements, to protect the safety of operators and equipment and facilities, and there is a liquid-filled stopper and an internal compensating diaphragm at the top of the gauge, which can be filled up with liquid at the site. Liquid-filled safety gauges are vibration-resistant, preventing damage to the inside of the gauge due to vibration, and lubricating the internal components to minimize wear and corrosion.
These gauges are widely used in drilling, refining, chemical, food, pharmaceutical, marine, offshore oil platforms and other industries.

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Parameter
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model number		YQ60	YQ100	YQ150
Nominal Diameter		Φ60	Φ100	Φ150
Installation form	Ⅰ	*	*	*
	Ⅱ	*	*	*
	Ⅲ	*	/	/
	Ⅳ	*	*	*
	Ⅴ	*	/	/
	Ⅵ	*	*	*
Connector Thread		M14×1.5	M20×1.5
Accuracy Class		2.5	1.6
Measurement range （MPa）		Vacant：-0.1～0 Pressure vacuum：-0.1～0.06 -0.1～0.15 -0.1～0.3 -0.1～0.5 -0.1～0.9 -0.1～1.5 -0.1～2.4 Pressure：0～0.1 0～0.16 0～0.25 0～0.4 0～0.6 0～1 0～1.6 0～2.5 0～4 0～6 0～10 0～16 0～25 0～40 0～60 0～100 0～160 0～250
Environmental conditions of use		temp：-40℃～70℃
vibration rating		V·H·3
Borden Tube Material		OCr18Ni12Mo2Ti；SUS316；SUS316L
Case and connector material		1Cr18Ni9Ti；SUS304
protection class		IP65
Implementation standards		GB/T1226
Note: 1. Joint threads can be customized according to user requirements.

◆ External Dimensions:

Radial direct type (Ⅰ)

Axial eccentric direct type (Ⅱ)

Axial concentric direct type (III)

Axial eccentric insert type (IV)

Axial concentric insertion type (V)

Radial convex type (VI)

model number	Overall dimensions（mm）
model number	A	B	C	D	d0	d1	d2	M
YQ60-Ⅰ	56	33	11	Φ60	/	/	Φ5	M14×1.5
YQ60-Ⅱ	61	32.5	18	Φ60	/	/	Φ5
YQ60-Ⅲ	61	32.5	/	Φ60	/	/	Φ5	M14×1.5
YQ60-Ⅳ	55	32.5	18	Φ60	Φ5	Φ75	Φ5
YQ60-Ⅴ	55	32.5	/	Φ60	Φ5	Φ75	Φ5	M14×1.5
YQ60-Ⅵ	56	33	11	Φ60	Φ5	Φ75	Φ5	M14×1.5
YQ100-Ⅰ	90	48	15	Φ100	/	/	Φ6	M20×1.5
YQ100-Ⅱ	83	44	34	Φ100	/	/	Φ6	M20×1.5
YQ100-Ⅳ	68	44	34	Φ100	Φ6	Φ118	Φ6	M20×1.5
YQ100-Ⅵ	90	48	15	Φ100	Φ6	Φ118	Φ6	M20×1.5
YQ150-Ⅰ	117	51	16.5	Φ150	/	/	Φ6	M20×1.5
YQ150-Ⅱ	92	52	55	Φ150	/	/	Φ6	M20×1.5
YQ150-Ⅳ	69	52	55	Φ150	Φ6	Φ165	Φ6	M20×1.5
YQ150-Ⅵ	117	53	28	Φ150	Φ6	Φ165	Φ6	M20×1.5

Wuxi Huihua Special Instrumentation Co., Ltd.

Wuxi Huihua Special Instrument Co., Ltd. was established in December 2001, the registered capital is 5 million yuan, the existing staff of more than 50 small and medium-sized joint-stock enterprises.
The company specialises in the production of various types of special instruments, alternative to the localisation of imported instruments. To seismic pressure gauge, seismic electric contact pressure gauge, stainless steel pressure gauge, diaphragm corrosion-resistant pressure gauge, marine pressure gauge and other series as the main products. On the basis of field instruments, we have developed various kinds of pressure transmitters, pressure controllers, digital pressure gauges and so on. There are more than 30 series and 3000 specifications. Products are widely used in petroleum, chemical, paper, metallurgy, mining, chemical fibre, electric power, food, environmental protection, rubber and plastic, hydraulics and many other industries, and more than 2,000 domestic customers to establish a friendly relationship with the national large and medium-sized enterprises to establish a good partnership, won the majority of users praise, and set up a corporate brand image.

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