Operating Temperature Regulators - Packing Manual

ManualsBrandsPowers ManualsAccessories for water595 Series 11 Self

TECHNICAL INSTRUCTIONS

PACKING

Flowrite Valves and #11 Regulators

Form TB-237 v4

This bulletin provides a description of and recommended

installation procedures for the packing used in Flowrite Valves

and #11 Regulators. The following three types of packing are

described:

EP Spring loaded V-ring

Teflon Spring loaded V-ring

Split ring

Flowrite Valve and #11 Regulator. The type of packing recom-

mended for the various applications is shown in Table 1.

Valve stem sizes of the various types and sizes of Flowrite

Valves and #11 Regulators are shown in Table 2.

DESCRIPTION

Summary of content (4 pages)

PAGE 1
TECHNICAL INSTRUCTIONS PACKING Flowrite Valves and #11 Regulators Form TB-237 v4 DESCRIPTION This bulletin provides a description of and recommended installation procedures for the packing used in Flowrite Valves and #11 Regulators. The following three types of packing are described: EP Spring loaded V-ring Teflon Spring loaded V-ring Split ring Flowrite Valve and #11 Regulator. The type of packing recommended for the various applications is shown in Table 1.
PAGE 2
Form TB-237 v4 0510 Page 2 PACKING APPLICATIONS The packing on a Flowrite valve or #11 Regulator provides a seal around the valve stem to prevent loss of the controlled medium (i.e., steam, water, ethylene glycol solutions, etc.), while allowing the valve stem to pass through the packing for functional opening and closing of the valve. V-RING PACKING All Flowrite Valves and #11 Regulators now utilize the spring loaded V-ring packing, choose the proper and V-ring packing kit from Table 1.
PAGE 3
Form TB-237 v4 0510 Packing Gland Nut Page 3 PartIal Repacking... The top three packing rings can be replaced without disassembling the valve, to minimize servicing time for critical system operation. However, replacement of all four packing rings is recommended to obtain optimum packing performance and life. Loosen packing gland nut. Remove the three packing rings from above the lubricator spacer with a pointed rod or pick. CAUTION: Do not use a wrench on the packing gland nut of valve stem.
PAGE 4
Form TB-237 v4 0510 Page 4 COMPLETE REPACKING... 1. Disassemble the actuator from the valve body assembly. 2 Remove the nuts from the valve stem. 3. Remove the packing gland nut from the bonnet. Then disassemble the bonnet from the valve body. If the stem remains with the bonnet, on a normally open valve only slide the stem out of the bonnet. 4. Examine the stem, replace if damaged. 5. Remove the top three packing rings, the packing spacer, and the lower packing ring with a pointed rod or pick, 10.