7
Handle nut
Handle washer
Butterfly handle
Standard handle
Disc spring washer
Washer
Body
SUS316
Push-in Fitting Installation
How to replace with Butterfly Handle
・
The tightening torque on the fitting/ball valve is indicated in Chart 1. Please use the right tools. When installing the fitting, there may
be a gap between the valve and the fitting but it does not affect the valve performance.
Chart
1.
SUS316
Fitting - Tightening torque
Model
Torque
（N・m）
NSBV10-44, 66
7 ~ 9
NSBV10-88, 1010
12.5 ~ 14.5
NSBV10-1212, 1616
20 ~ 22
Chart
2.
Tightening torque for butterfly handle
Model
Torque
（N・m）
NSBL10-02
1.5 ~ 2.0
NSBL10-03
2.5 ~ 4.5
NSBL10-04
4.0 ~ 6.0
1.
2.
Untighten the handle nut by a wrench and remove together with
the handle washer and handle. Do not remove the disc
spring washer.
Transportation • Storage
Installation
・
Turn the valve handle to the fully open position when transport or store otherwise it may lead to ball seat deformation.
・
Store the valve indoor, avoiding dust and foreign matter.
・
To prevent from dust and foreign mater, do not unwrap packaging before installation.
・
Before installation, use air blow or water to clean valve internal.
・
IN/OUT flow can be connected to both side of valve. Choose side which is easy to install and operate.
・
Consider the load from the piping when installing valve.
・
Follow the tightening torque for tube fitting.
・
Consider operating temperature and fluid medium before selecting pipe seal material (sealing tape or sealant).
・
When tighten pipe to the valve, make sure to hold the valve body with wrench etc.
・
After installation, open the valve and flush to remove dust and foreign matter.
Replace the standard handle with a butterfly handle. Place the
handle washer and tighten the handle nut by a wrench in Chart 2,
watching a fluid leakage.