Tightening Torque and Distance Across Flats
Part Name
Screen Holder Plug
Bonnet Bolt
Blowdown Valve / Test Valve
BD2 Valve
NOTE: - Coat all threaded portions with anti-seize. If drawings or
other special documentation were supplied for the
product, any torque given there takes precedence over
values shown here.
- Avoid the use of excessive tightening torques, as
threaded parts may become damaged.
Availability of Spare Parts
Aside from parts ① – ⑤ shown in the figures above, replacement parts are not normally supplied. Consult TLV if
other parts are needed.
Torque
Distance Across Flats
N·m
(lbf·ft)
mm
60
(44)
22
60
(44)
22
60
(44)
22
30
(22)
17
(1 N·m ≈ 10 kg·cm)
Bellows Gasket
(Lower) ⑤
(in)
/
(
)
7
Bonnet Bolt
8
/
(
7
)
8
/
(
)
7
8
/
(
)
21
32
Blowdown Valve
Gasket ③
Screen ①
Screen
Holder
Plug
Screen Holder
Gasket ②
Test Valve
Gasket ④
BD2 Valve