White NR Ductile Iron Valve Seats , 3 '' - 12 '' Nature Rubber Valve Seat

White NR valve seat for wafer / lug type (centerline) butterfly valve 3''-12''​

Hardness:74±3
Size:2''-20''
Applied Medium:good chemical stability and leakproofness,corrosion resistance, high-lubricating,good electric insulation and ageing resistance
Temperature:-20°~ +200°
Certificate: NSF,SGS,KTW,FDA,ISO9001,ROHS

Description:

1. Rubber and framework material are firmly bonded.
2. Excellent rubber elasticity and compression set.
3. Stable seat size and small torque, excellent sealing and wear resistance property.
4. Rubber materials adopt international brands with stable performance.
5. Material: CR, NR, SBR, NBR, EPDM, PTFE, Silicone, etc.
6. Certification: NSF,SGS,KTW,FDA,ISO9001,ROHS,
7. High/low temperature resistance, oil and fuel resistance, good air tightness etc.
8. Process and packing is according to your requirements.
9. Application: Fluid control,electronic, household appliance, automotive, medical equipment industry, industrial machine& components,etc

R&D Capabilities:
We have our own self-developed formula base on clients' different application.
We have independent physics laboratory and high-standard quality inspection.
We have customer service location in America to help promote global business.
Implement project management system to ensure smooth transfer and constant improvements from project lead-in to mass production .

Our experts team can provide all-round supports to products and mold design, material formula and process optimization.

Decades of production experience and professional technology skills are able to guarantee the superior quality.