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YJY series absolute pressure gauge

◆ Model: YJY100 YJY150
◆ Use: Absolute pressure refers to the pressure which is higher than absolute pressure zero with absolute pressure zero (absolute vacuum) as the reference. Absolute pressure value can be expressed by the following formula:
Absolute pressure value = vacuum (negative pressure) value + atmospheric pressure value
Absolute pressure gauge is mainly used to monitor or measure the absolute pressure in some vacuum equipments (e.g. vacuum packaging machinery, equipments for monitoring condensation pressure and vapor pressure of liquid, etc.).
◆ Working pressure: Static load is used up to 3/4 of the upper limit value of measurement, exchange load is used up to 2/3 of the upper limit value of measurement, and short-time pressure is used up to the upper limit value of measurement.

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Parameter
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◆ Technical Parameters：

model number		YJY100	YJY150
Nominal Diameter		Φ100	Φ150
Installation form	Ⅰ	*	*
	Ⅱ	*	*
	Ⅳ	*	*
	Ⅵ	*	*
Connector Thread		M20×1.5
Accuracy Class		0.4；1.0；1.6；2.5
Measurement range （MPa）		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
Environmental conditions of use		temp：-40℃～70℃（Accuracy Class：0.4） -50℃～160℃（Accuracy Class：1.0~2.5） relative humidity：≦80 %
vibration rating		V·H·2；V·H·3
protection class		IP65
Implementation standards
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)

model number	Overall dimensions（mm）
model number	A	B	C	D	d0	d1	d2	M
YJY100－Ⅰ	90	48	15	Φ100	/	/	Φ6	M20×1.5
YJY100－Ⅱ	83	44	34	Φ100	/	/	Φ6	M20×1.5
YJY100－Ⅳ	68	44	34	Φ100	Φ6	Φ118	Φ6	M20×1.5
YJY100－Ⅵ	90	48	15	Φ100	Φ6	Φ118	Φ6	M20×1.5
YJY150－Ⅰ	117	51	16.5	Φ150	/	/	Φ6	M20×1.5
YJY150－Ⅱ	92	52	55	Φ150	/	/	Φ6	M20×1.5
YJY150－Ⅳ	69	52	55	Φ150	Φ6	Φ165	Φ6	M20×1.5
YJY150－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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