
Multiple Spring O-Ring Mechanical Seal John Crane 8B1 Mechanical Seals. Customizable Material Selection: Materials selected according to customer requests for specific applications. Fast Delivery for Standard Items: Large stock ensures delivery within one week for standard products. Free Sample Availability: Free samples provided; customer covers international freight costs. High Pressure Tolerance: Designed to withstand pressure up to 1.6 MPa for industrial use. Versatile Chemical Resistance: Suitable for petroleum, chemical solvents, and weak/medium acids. Multiple Seal Material Options: Stationary and rotary rings available in Ceramic, Sic, TC, or Carbon. Direct Factory Supply: Manufactured directly by the factory ensuring quality and competitive pricing.