Hopetrol two-window sight glass coupling is a high-precision visual monitoring part for fuel dispensers and oil transmission systems. Featuring a symmetrical dual-window design, it provides a wider viewing angle and full observation without dead zones. It can real-timely monitor oil flow status, oil cleanliness and air bubbles. Compatible with gasoline, diesel, it has a stable structure and excellent sealing performance.

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SIZE: 3/4"

3/4"

THREAD: NPT

NPT

BSP

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SIZE: 3/4"

3/4"

THREAD: NPT

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BSP

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MATERIAL

Body: Brass & Chrome plated
Seals: NBR

FEATURES AND BENEFITS

Dual-side visual monitoring enables multi-angle observation of oil flow status, quickly judging oil circuit connectivity and oil supply stability, and troubleshooting pipeline blockage and poor oil supply.
Fully monitor air bubbles, moisture, impurities and oil emulsification, effectively avoiding vapor lock and oil contamination, ensuring accurate metering and stable equipment operation.
The dual-window design facilitates daily inspection, quickly detecting oil leakage at sealing joints and reducing failure risks.

ORDEPING SPECIFICATION

ITEM NO.	DIMENSIONS APPROX		D1 MALE THREAD	D2 FEMALE THREAD	WEIGHT APPROX
ITEM NO.	D(mm)	L(mm)	inch	inch	kg
SG2-NPT3/4	37	99	3/4" NPT	3/4" NPT	0.31
SG2-BSP3/4	37	99	3/4" BSP	3/4" BSP	0.31
SG2-NPT1	39	101	1" NPT	1" NPT	0.4
SG2-BSP1	39	101	1" BSP	1" BSP	0.4

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Products: All Collections; Dispensing Components; Vapor Recovery; Industrial Rubber Hose

Company: Guangzhou Hopetrol Technology Co., Ltd.

Room 915, No.1138 Zhongshan Avenue West, Tianhe District, Guangzhou, Guangdong, China

Email: Paul@hopetrol.com
Tel: 0086-020-37362468
www.hopetrol.com