Ebonited Double Eccentric Butterfly valve
AWWAC504 double offset Eccentric flanged Butterfly Valve, , Gearbox Operation, -20℃~+125℃.
Design standard: AWWAC504
Body material: Ductile iron ASTM A395, GGG50, GGG40
Nominal diameter: DN100-DN2200
Pressure: 150psi/250psi
End connection: SME B16.10 Class 125 / AWWA C 111 / A21.11 2
Face to face: AWWA504
Normal. Working temperature: -20℃~+125℃.
Test and inspection: AWWAC504
Bubble Tight Closure
Blowout-Proof Stem
Top Flange for actuator: MSS-SP-101/ISO 5211 3.
 |
 |
| THE SHAFT BEARING COMPLIES WITH HIGHEST STANDARDS IN TERMS OF SAFETY AND EASE OF MAINTENANCE. ERHARD ROCO WAVE BUTTERFLY VALVES SET A NEW STANDARD IN THIS AREA. | AN ERHARD HARD RUBBER COATING ON THE INSIDE IS RESISTANT AGAINST CHEMICAL, THERMAL AND MECHANICAL EXPOSURE, SUITABLE FOR ABRASIVE MEDIA AND SEA WATER. ERHARD ROCO WAVE VALVES OFFER PERFECT SURFACE PROTECTION. |
Product Range
Double Eccentric Butterfly Valve API609, BS5155, AWWA
Pressure Rating from PN1O to PN25, 150PSI to 250psi
Size Range: 4”-88” DN100-DN2200
Face to face: API 609 & BS5155 & ISO5752 & BS EN558 SERIES 13/14 &AWWAC504
Available Body: Ductle iron GGG40, 50 /carbon steel / Stainless steel
Available Integral Body Seat: overlay 13cr/SS304 /SS316
Available Protect Ring: A105/LF2/SS304/SS316
Available Seat: EPDM, NBR, PTFE, TEFLON
Performance:
1. products are tested for Life Cycle tests as set down in AWWA C 504 standards.
2. bi-directonal sealing is tested under different pressure conditons.
3. products are designed and tested to provide reliable performance during their entre service life
4. For Sizes DN 750 and above - The product design allows on-site maintenance and seat replacements opton.
5.NSF Certfied Fusion Bonded Epoxy Coatng and EPDM rubber are used for areas of valves coming in direct contact with potable (drinking) water, all other components being Stainless Steel
6.The entre manufacturing process strictly complies with AWWA C 504 standards requirements.
7.Our products provide high performance, reliable service and long service life.
Product Range
Double Eccentric Butterfly Valve API609, BS5155, AWWA
Pressure Rating from PN1O to PN25, 150PSI to 250psi
Size Range: 4”-88” DN100-DN2200
Face to face: API 609 & BS5155 & ISO5752 & BS EN558 SERIES 13/14 &AWWAC504
Available Body: Ductle iron GGG40, 50 /carbon steel / Stainless steel
Available Integral Body Seat: overlay 13cr/SS304 /SS316
Available Protect Ring: A105/LF2/SS304/SS316
Available Seat: EPDM, NBR, PTFE, TEFLON
1. Double-offset flanged butterfly valve (resilient-seated) with rubber-lined seat and rubber-coated disk for use with aggressive media.
2.Long service life, as the medium does not come into contact with the bearing, and due to the rubber-lined seat. Suitable for use in water-treatment applications.
3. products are tested for Life Cycle tests as set down in AWWA C 504 standards.
4. products are designed and tested to provide reliable performance during their entre service life
5. For Sizes DN 750 and above – The product design allows on-site maintenance and seat replacements opton.
6.The entre manufacturing process strictly complies with AWWA C 504 standards requirements.
The double eccentric butterfly valve is widely used in the water conservancy projects, tap water, power circulating water,chemical water,sea water, pump connection and other industrial pipelines as a cut-off medium flow.
