BR 1700 Check valves

Typ 1701
Flat-seat check valves

• Metal-seal valve cone, spring loaded

Connection:

DIN EN raised-face flange

Sizes:

PN 10-40      DN 15-200
PN 63           DN 15-200

PN 100-160   DN 15-100

Lengths:

PN 10-40    EN 558-1 basic series 1 (DIN3202-F1)
PN 63-160    EN 558-1 basic series 2 (DIN3202-F2)

Materials:

Casing    1.4308, 1.4408, 1.4581
Internal parts 1.4541, 1.4571
Other materials available

Variants:

Valve cone, sealable
Heat jacket

Typ 1751
Angle-seat check valves

• Metal-seal valve cone, spring loaded

Connection:

DIN EN raised-face flange

Sizes:

PN 10-40      DN 15-200
PN 63           DN 15-200

PN 100-160   DN 15-100

Lengths:

PN 10-40    EN 558-1 basic series 1 (DIN3202-F1)
PN 63-160    EN 558-1 basic series 2 (DIN3202-F2)

Materials:

Casing   1.4308, 1.4408, 1.4581
Internal parts1.4541, 1.4571
Other materials available

Variants:

Valve cone, sealable
Heat jacket

Typ 1731
Flap trap

• inner shaft

Connection:

DIN EN raised-face flange

Sizes: 

PN 10-16      DN 50-400

PN 25-40      DN 40-400
PN 63           DN 50-300

PN 100-160   DN 50-250

Lengths:

PN 10-16      EN 558-1 basic series 48 (DIN3202-F6)

PN 25-40      EN 558-1 basic series 1 (DIN3202-F1)
PN 63-160    EN 558-1 basic series 2 (DIN3202-F2)

Materials:

Casing     1.4308, 1.4408, 1.4581
Internal parts  1.4541, 1.4571
Other materials available

Variants:

Heat jacket
With lever and weight