Safety Block Ball Valve Ref#014151800
True Union Type

(1/2"-4")

 

DESIGN ADVANTAGES

  • Safely blocks in both upstream and downstream direction for simple easy, safe system maintenance.
  • Double union design permits quick, easy piping system installation, removal, maintenance.
  • Stem has internal land above ball that is pressure seated to the body protecting the stem and the stem seal from contaminants in the fluid media.
  • Long life self lubricated TFE seats are externally adjustable, fully replaceable.
  • True full port design has immeasurable pressure drop.
  • Valve body can be rotated 360?for actuation clearance in system.
  • Handle indicates valve open/close position.
  • Safety design blow-out proof stem.
  • Available in socket, threaded, or flanged (ANSI B16.5 class 150) end configurations.
  • PVC safety block ball valves ( 1/2" thru 2" sizes) are provided with socket and threaded end connectors without additional cost inventory requirements.
  • All valves are hydrostatically tested.
  • Pneumatic (air to air, air to spring) and electric actuation available.
  • All TVI safety block ball valves are backed by our two (2) year guarantee.
  • Available locking handles, stem extensions, 2" square nut operation

plasticball.jpg (27470 bytes)

Materials Of Construction

Item

Parts

Pcs

Materials

1

Stem

1

PVC,PP,CPVC,PVDF

2

Ball

1

PVC,PP,CPVC,PVDF

3

Body

1

PVC,PP,CPVC,PVDF

4

Seat Carrier

1

PVC,PP,CPVC,PVDF

5

Union Nut

2

PVC,PP,CPVC,PVDF

6

Handle

1

ABS

7

End Connector

2

PVC,PP,CPVC,PVDF

8

Seat

2

TEFLON?/small>

9

Stem O-Ring

1

EPDM,VITON?/small>

10

Seat Carrier O-Ring

1

EPDM,VITON?/small>

11

Body O-Ring

1

EPDM,VITON?/small>

12

Solid End O-Ring

1

EPDM,VITON?/small>

13

Flange

2

PVC,PP,CPVC,PVDF

VITONŽ is a trademark of  Dupont Dow Elastomers
TEFLONŽ is a trademark of E.I. Dupont

SAFETY BLOCK - TRUE UNION BALL VALVES

DESIGN SPECIFICATIONS

Thermoplastic Ball Valves 1/2" - 4" are designed to safely block full system pressure in either direction to allow on-line system maintenance. Valve stem is of the blow-out proof design. Valve has full port for lowest possible pressure loss. Seats shall be easily adjustable and replaceable. Stem has an internal pressure sealed land to protect stem and stem seal from contaminants. Every valve is fully pressure and cycle tested before leaving the factory. Materials of construction shall be: (select as required for service)

BODY/BALL/STEM/END NUTS AND CONNECTORS
PVC, CPVC, ASTM D-1784
PP, ASTM D-4101
PVDF, ASTM D-3222

SEAT
PTFE (Polytetrafluoroethylene), Teflon (E.I. DuPont)

SEALS
EPDM, Ethylene Propylene Diene Monomer
Fluorocarbon. Viton (E.I.DuPont)
Fluorel (3M Corp.)

MANUAL LEVER
ABS, ASTM D-1788

End connectors shall conform to the following standards:

SOCKET
ASTM - D-2467 (PVC, SCH-80)
ASTM - F-439 (CPVC, SCH-80)

THREADED
ASTM - D-2464 (PVC, SCH-80)
ASTM - F-437 (CPVC, SCH-80)

FLANGED
ANSI - B16.5 Class 150

Both socket and threaded end connectors shall be supplied on all 1/2" - 2" PVC and CPVC valves. On 2-1/2" - 4" socket end connectors will be supplied unless otherwise specified.

Valves shall be backed by a full two (2) year guarantee.

Not recommended for compressed air or gas service.

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