NBR Rubber Sealing Cover (Type A)

This NBR rubber sealing cover is designed for coal-fired gas meter applications, providing reliable sealing. Made of nitrile rubber in black, it offers excellent oil resistance and heat aging resistance, crack-free without hardening, good elasticity at -25°C, and passes n-pentane solution immersion testing per GB/T1690.

Key Features:

• Reliable Sealing: Effective sealing for coal-fired gas meter applications.
• Durable NBR Material: Nitrile rubber, Shore A hardness 47±3, black color.
• Excellent Oil Resistance: Superior oil resistance and heat aging resistance; crack-free without hardening.
• Low-Temperature Elasticity: Good elasticity at -25°C.
• Standard Compliant: Passes n-pentane solution immersion testing per GB/T1690.
• Environmental Compliance: Meets RoHS and REACH standards.
• Wide Temperature Range: -40°C to 120°C.