Description
Backflow preventer constructed from high-strength ductile iron, offering excellent durability and corrosion resistance for demanding applications. Designed to protect potable water systems by preventing reverse flow and potential contamination. Rated PN16 for pressures up to 16 bar, suitable for medium-pressure pipelines. Flanged ends provide secure, standardized connections for reliable installation and maintenance.
Features
FEATURES / CHARACTERSTICS
Rating: PN16
Connections: Flanged to BS EN1092-2, PN16 (EX BS4504)
Working Medium Water, Oil and Steam
Ductile Iron Body, Diaphragm with nylon reinforcement, Streamline flow and assures lower head loss, Short body
WORKING TEMPERATURE :
16 Bar -10° C to 80° C water
HYDROSTATIC TEST PRESSURE:
Shell- 24 bar
Seat- 17.6 bar
ON REQUEST :
ANSI Standard (subject to minimum order quantities)
Specification
| Parts | Material |
|---|---|
|
Relief Joint |
Stainless steel AISI304 |
|
Spring |
Stainless steel AISI304 |
|
Seat |
Stainless steel AISI304
|
|
O-ring |
EPDM |
|
Nut |
Stainless steel AISI304 |
|
Bushing |
PTFE |
|
Wedge |
Stainless steel AISI304 |
|
Body |
Ductile Iron |
|
Front Seat |
Stainless steel AISI304 |
|
Front Retainer |
Stainless steel AISI304+EPDM |
|
Spring seat |
Stainless steel AISI304 |
|
Spring |
Stainless steel AISI304 |
|
O-ring |
EPDM |
|
Stem |
Stainless steel AISI304 |
|
Back Seat |
Stainless steel AISI304 |
|
Back Retainer |
Stainless steel AISI304+EPDM |
|
O-ring |
EPDM
|
|
By-Body |
Ductile Iron
|
|
O-ring |
EPDM |
|
Bolt |
Stainless steel AISI304 |
|
Hex Bolt |
Stainless steel AISI304 |
|
Down Retainer |
Stainless steel AISI304 |
|
Diaphragm |
EPDM+Nylon reinforcement
|
|
Up Retainer |
Stainless steel AISI304 |
|
Bolt |
Stainless steel AISI304
|
|
Bonnet |
Ductile Iron |
|
Bolt |
Stainless steel AISI304
|
|
Bolt |
Stainless steel AISI304 |
|
Gasket |
EPDM |
