The company is proud to offer its matchless range of super proof type 51b. Made using optimum raw materials and components, our super proof type 51b meets the norm of set industrial standard. Our super proof type 51b is highly reliable, durable and easy to maintain. features outside mountedreverse balancedproduct protected springsindependent of rotation in any direction operating parameters speed : up to 10 mspressure : 8 kgcm2size range : 19 to 100mmtemperature : -30oc to +120oc