Siemens SINORIX CPY-35 User manual

Installation Instructions

Document No. 129-097

June 10, 2020

SINORIX™Valve Reconditioning

Item Number 129-097, Rev. BA Page 1 of 6

Product Description

These instructions explain how to recondition and fill

1-inch through 4-inch SINORIX valves.

NOTE:Only for systems manufactured prior to 2014

with integrated fixed valve releasing solenoid

and local manual control (CPY-LMC). See

Figure 3 and Figure 9).

Product Numbers

Verify that the appropriate valve rebuild kits are on

hand for the cylinders that are to be recharged:

Valve Size

(in inches)

Product

Numbers

Rebuild Kit

CPY-35

CPY-70

CPY-VSK1

1-1/2

CPY-150

CPY-25

CPY-VSK1.5

2-1/2

CPY-375

CPY-560

CPY-VSK2.5

CPY-1200

CPY-VSK4

Warning/Caution Notations

WARNING:

Personal injury or loss of life

may occur if you do not follow

the procedures as specified.

CAUTION:

Equipment damage, or loss of

data may occur if you do not

follow the procedures as

specified.

Required Tools

•Strap wrench

•Spanner wrench

•WD-40 (or similar)

•Silicone RTV sealant

•SINX 16, 17, or 18 for respective size

•Torque wrench with 3/8" drive

Figure 1.

Prerequisites

Verify that there is a sufficient quantity of HFC227ea

in inventory to complete the entire recharge of each

cylinder.

Figure 2.

WARNING:

Although the pressure gauge may register a

“Zero” reading, caution must be used at all

times since residual pressure may still be

present.

CAUTION:

Before beginning this procedure, make sure

the Anti-Recoil Device is installed on the

cylinder.

Disassembling the Valve

1. Energize the solenoid or depress a Local

Manual Control (CPY-LMC) to ensure there is

no pressure in the cylinder. It is normal to notice

a slight pressure release. At this point, THERE

IS NO PRESSURE IN THE CYLINDER.

Figure 3.

Document No. 129-097

Installation Instructions

June 10, 2020

Page 2 of 6Siemens Industry, Inc.

2. Remove the brass valve from the cylinder by

unscrewing from the cylinder neck. Remove the

valve and the siphon tube assembly and set

aside.

CAUTION:

Do NOT use a pipe wrench as this will

scratch the valve. Use a strap wrench or

attach a piece of pipe to the outlet for

leverage.

Figure 4.

3. Remove the siphon tube assembly from the

valve.

Figure 5.

4. Place the valve assembly into a bench-mounted

vice with rubber inserts or heavy canvas over

the teeth of the vise. (Do not scratch the valve

surface.)

5. Remove the top plug adapter using a spanner

wrench.

Figure 6.

NOTE: 1. The top plug adapter unscrews with

a right-hand thread.

2. There is a spring under the top plug

adapter that will push up the top

plug once the threads are

disengaged.

Figure 7.

•Remove the O-ring from the top plug

adapter.

Figure 8.

6. Remove the piston from the inside of the valve

body.

Figure 9.

•Clean the interior surface of the valve body

utilizing a product like WD-40, removing all

of the residual O-ring lube.

Document No. 129-097

Installation Instructions

June 10, 2020

Siemens Industry, Inc. Page 3 of 6

Figure 10.

7. Disassemble the piston.

a. Place the piston in a vise or clamp. (Do not

scratch the piston surface.)

b. Remove the filter nut 7/16-inch from the

bottom of the piston.

Figure 11.

c. Be careful not to lose the steel ball under

the nut.

Figure 12.

d. Remove the rubber seat from the bottom of

the piston by unscrewing the retaining

clamp using SINX16, 17, or 18 (to

respective size).

Figure 13.

e. Remove the O-ring from the top of the

piston.

Figure 14.

Reassembling the Valve

1. Reassemble the piston.

NOTE: See Product Numbers for valve rebuild

kits.

Figure 15.

a. Reassemble the piston using new O-rings

and seat.

b. Apply a small amount of Parker-o-Lube

grease to O-rings (CPY-G).

Figure 16.

Document No. 129-097

Installation Instructions

June 10, 2020

Page 4 of 6Siemens Industry, Inc.

c. Install a new O-ring on the top of the piston.

Figure 17.

d. Install a new O-ring on the top plug

adapter.

Figure 18.

a. Apply a small amount of Silicone RTV to

both locations shown below. Install a new

valve seat, and tighten the retaining clamp

using SINX 16, 17, 18 (for respective size).

Use a torque wrench with a 3/8" drive (Set

to proper torque setting).

Valve Size Seat

Retainer (in inches)

Torque (IN/LBS)

110

1.5

140

2.5

160

400

Figure 19.

b. Reassemble the valve

c. Reinstall the valve body to the cylinder (if

needed). Tighten until a metal-to-metal fit is

achieved.

d. Assemble the piston to the valve body.

Make sure to install the piston with the

rubber seat leading into the bottom of the

valve body.

Figure 20.

e. Assemble the spring on top of the piston.

Figure 21.

f. Assemble the top plug adapter. Tighten

until a metal-to-metal fit is achieved.

Figure 22.

Document No. 129-097

Installation Instructions

June 10, 2020

Siemens Industry, Inc. Page 5 of 6

SINORIX Cylinder Filling

Pump Setup

1. Connect the pump to the agent source

(example of valve for the Bulk 1200 lb cylinders

from DuPont™below. The blue knob opens the

cylinder to flow vapor only; the red knob opens

the cylinder to flow liquid agent.)

NOTE: Some bulk cylinders and valve knobs

may have been painted, but the

position of the knobs shown in this

picture is the correct orientation.

Figure 23.

2. Connect the liquid line (suction hose) from the

pump to the bulk storage cylinder.

a. Open the Liquid Supply Valve (red knob).

b. Before connecting the manifold to the

cylinder to be filled, purge all air out of the

pump and hoses by opening the Agent

Valve on the fill manifold and the Nitrogen

Valve (without the nitrogen source

connected.) until liquid begins to flow.

Then, close the Nitrogen Valve, and close

the Agent valve.

c. Connect the nitrogen source hose to the

manifold.

Cylinder Setup and Filling

1. Install the filling adapter to the discharge port of

the cylinder.

Figure 24.

a. Before placing the cylinder, reset the scale

to 0.

b. Record the Empty Cylinder Weight.

c. Connect the Fill Manifold to the Fill Adapter.

Figure 25.

d. Press the Tare button on the digital scale.

This will set the display to 0without

resetting the Gross Weight.

•If not using a digital scale, record the

weight of the cylinder with the Fill

Manifold connected.

e. Verify the amount of agent to be placed in

the cylinder.

•If not using a digital scale, add the

previous weight from (2, d) to the

amount of agent required to determine

the final fill weight.

f. Open the Agent Valve and agent should

begin to flow into the cylinder.

g. Turn on pump (Pump equipment varies,

please refer to your specific pump’s

instructions)

h. Monitor the scale until the cylinder fill

weight reaches the required weight of

agent.

i. Close the Agent Valve and immediately

turn off pump.

j. Verify agent fill weight is correct.

k. Close Liquid Supply Valve on bulk agent

supply cylinder.

l. Open valve on nitrogen source and set the

regulator secondary pressure to approx

450 psi.

m. Open the Nitrogen Valve on the Filling

Manifold until the pressure gauge on the

cylinder reaches 360 psi, then close the

Nitrogen Valve.

Document No. 129-097

Installation Instructions

June 10, 2020

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and

models as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective

Siemens Industry, Inc.

Smart Infrastructure

1000 Deerfield Parkway

Buffalo Grove, IL 60089-4513

USA

+1-847-215-1000

Your feedback is important to us. If you have

comments about this document, please send them

to: SBT_technical.editor.us.sbt@siemens.com

Document No. 129-097

Printed in the USA

Page 6 of 6

n. Disconnect the Nitrogen Supply Hose from

the Filling Manifold. The Cylinder Valve

should reseat itself. To verify the valve has

closed, slowly open the Nitrogen Valve on

the Filling Manifold; residual pressure will

begin to decrease.

If you begin to see liquid flowing out of the

Filling Manifold, close the Nitrogen Valve.

This indicates the valve did not reseat

properly. If this occurs:

i. Connect an adapter to the discharge

port on the solenoid.

ii. With the Filling Manifold still

connected to the Fill Adapter on the

cylinder, energize the solenoid with

the correct voltage to open the

solenoid.

iii. Apply 450 psi of Nitrogen for 10

seconds.

iv. Turn off the power to the solenoid.

v. Repeat step “m”.

vi. Close the valve on the nitrogen

source.

o. After it has been verified that the valve is

properly seated, remove the Filling Manifold

and Refill Adapter, then immediately install

the Anti Recoil Plug.

p. Monitor the pressure for 24 hours. Nitrogen

will be absorbed into the liquid HFC227ea,

reducing cylinder pressure. This absorption

can be accelerated by agitating the

cylinder, and may require multiple additions

of Nitrogen to assure that the HFC227ea

has reached its full saturation point.

q. If pressure is less than 360 psi, reinstall the

Refill Adapter and Filling Manifold.

r. Repeat steps “m”, “n” and “o” to adjust the

pressure to 360 psi.

NOTE: Do not return the cylinder into

service until the pressure has

remained at 360 psi, (at 70°F), for

a minimum of 6 hours.

s. Perform a leak check.

The installation is now complete.

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