Data Sheet for Product

ManualsBrandsSiemens Manuals658 Series Globe Valves1" Powertop Two-Way Flared Angle Valve, N/O (10 CV)

Powers® Controls

Technical Instructions

Document No. 155-310P25

VP 658-5

July 18, 2012

Powertop Two-Way Valves

Normally Open

Description

The VP 658 normally open valves are pneumatically operated valves designed to control

the flow of both water and steam.

Features

• Stainless steel valve stem for smooth operation and durability

• Large diaphragm area for control accuracy and tight close-off

• Equal percentage plugs and long stroke for controllability

• Removable actuator for ease of servicing

Application

The VP 658 valves are recommended for control of hot or chilled water and steam for

terminal units such as unit ventilators, reheat coils, fan coil units, induction units, and duct

coils.

They are particularly suited to the minimum profile and low space requirements of schools,

hospitals, office buildings and factories.

Product Numbers

Table 1. Product Numbers.

Valve

Size

Inch (mm)

Spring

Range

psi (kPa)

(Kvs)

Product

Number

1.0 (25) 10 (8.6) 658-0012

1.25 (32)

2 to 6 (12 to 41)

16 (13.7) 658-0014

Warning/Caution Notations

WARNING:

Personal injury/loss of life may occur if you do not perform a

procedure as specified.

CAUTION:

Equipment damage may occur if you do not perform a

procedure as specified.

Siemens Industry, Inc.

Summary of content (8 pages)

PAGE 1
Technical Instructions Document No. 155-310P25 VP 658-5 July 18, 2012 Powers® Controls Powertop Two-Way Valves Normally Open Description The VP 658 normally open valves are pneumatically operated valves designed to control the flow of both water and steam.
PAGE 2
Technical Instructions Document No. 155-310P25 July 18, 2012 Powertop Two-Way Valves Normally Open Capacity Body style Body connection Action Stem travel Valve body rating Inches (mm) 1.0 (25) 1.25 (32) See Table 2 through Table 5 Angle Union Outlet Angle Female × Union Male Normally Open (NO) .50-inch (15 mm) ANSI 250. See Table 6.
PAGE 3
Powertop Two-Way Valves Normally Open Service Kits Technical Instructions Document No. 155-310P25 July 18, 2012 Valve body assembly, Normally Open: Cv (Kvs) Part Number 10 (8.6) 658-319 16 (13.7) 658-321 Complete top replacement, Normally Open, 2 to 6 psi (12 to 41 kPa) only: Valve Top Assembly 658-0012 658-072 658-0014 658-074 Table 2. Maximum Water Capacity - U.S. Gallons per Minute. Valve Size Cv\1 Inches Pressure Differential - psi 2 3 4 5 6 8 10 15 20 25 30 40 50 60 75
PAGE 4
Technical Instructions Document No. 155-310P25 July 18, 2012 Powertop Two-Way Valves Normally Open Table 6. Body Temperature-Pressure Rating. Temperature °F (°C) Pressure psig (Kvs) ANSI Class 250 -20 to 150 (-30 to 66) 400 (2758) 200 (93) 385 (2655) 250 (121) 365 (2586) 18 17 15 .5 ", 1 ", .75 ", 1.2 5" 10 to 14 psi 14 FOR CLOSE - OFF DIAPHRAGM AIR PRESSURE - psi 16 13 12 11 10 9 8 5", .5", .7 7 1", 1 .
PAGE 5
Powertop Two-Way Valves Normally Open Installation NOTE: Technical Instructions Document No. 155-310P25 July 18, 2012 Install the valve in any position except upside down. The preferred installation position is upright. In concealed installations, allow three inches (75 mm) from the top of the actuator to remove the upper housing for valve servicing. CAUTION: Never use the valve housing as a lever arm to tighten the body when taking up on a thread.
PAGE 6
Technical Instructions Document No. 155-310P25 July 18, 2012 Powertop Two-Way Valves Normally Open Parts of the Valve Assembly Insert Detail Figure 3. Angle Union Outlet, Normally Open. Page 6 Siemens Industry, Inc.
PAGE 7
Powertop Two-Way Valves Normally Open Technical Instructions Document No. 155-310P25 July 18, 2012 Table 7. Valve Assembly Parts and Service Kits. (See Figure 3.
PAGE 8
Technical Instructions Document No. 155-310P25 July 18, 2012 Powertop Two-Way Valves Normally Open Figure 4. Angle Union Outlet, Normally Open Dimensions. Table 8. Dimensions in Inches (Millimeters). Valve Body Valve Size Inch (mm) A B C D Angle Union Outlet 1.00 (25) 5.50 (140) 4.94 (125) 1.75 (44) 3.13 (79) 1.25 (32) 5.50 (140) 5.50 (140) 2.00 (51) 4.38 (111) Information in this publication is based on current specifications.