Spirax Sarco MST21 Series Manuel utilisateur

INSTALLATION AND MAINTENANCE INSTRUCTIONS

IM-2-00021-US April 2014

MST21 Series Thermostatic Steam Trap

Maximum Working Conditions

305 psig @572º F (21 barg @300º C)

Installation

1. Install strainer optional and isolation valve upstream of trap if draining to grade and both sides if

discharging into return system.

2. Never weld pipe connections to the trap, damage to the thermostatic capsule could result.

3. For freeze protection all drain lines must be pitched toward the trap for gravity ow. Trap must be

installed vertically discharging downward and discharge piping must be self-draining.

4. When used as a thermostatic air vent, the arrow pointed upwards. Locate at high point of main or

equipment, where air can collect and pipe discharge to a drain.

5. Always drain to a safe place.

Maintenance

1. Make sure all steam is turned off and pressure has been

dissipated before doing any work.

2. Remove cap (2) using a wrench.

3. Lift out the strainer screen (6), Spring (4), thermostat cap-

sule (3), and spacer plate (5).

4. Replace with new internals in the correct order. Make sure

the conical spring (4) is positioned with the narrow end in

contact with the capsule.

5. Fit a new gasket (7)

6. Ret the cap (2) using a little anti-seize compound on the

threads and tighten to the recommended torque (see table).

Size Lbf ft Nm

1/4” 73-80 100-110

3/8” 73-80 100-110

1/2” 73-80 100-110

3/4” 73-80 100-110

1” 73-80 100-110

Recommended Tightening Torques

Recommended for critical applications,

such as draining steam mains, tracing

lines, sterilizers and steam air venting.

Make sure trap is mounted in direction

of ow.

Spare Parts

• Complete internal set 3,4,5,6,7.

• Gasket Kit (set of 3) 7.

Note: Must choose either STD, NTS, or

Sub capsule.

Steam Supply

Valve

Strainer

(Optional)

MST21 Trap

Steam Supply

Valve

Strainer MST21 Trap

VERTICAL PIPING

INSTALLATION

HORIZONTAL PIPING

INSTALLATION

For any additional information you may require, contact: Spirax Sarco

Applications Engineering Department

Toll Free 1-800-883-4411

SPIRAX SARCO, INC. • 1150 NORTHPOINT BLVD. • BLYTHEWOOD, SC 29016

1-800-883-4411

WWW.SPIRAXSARCO.COM/GLOBAL/US

Table des matières

Autres manuels Spirax Sarco Unité de contrôle

Spirax Sarco

Spirax Sarco BSA3-BD Manuel utilisateur

Spirax Sarco

Spirax Sarco M80i ISO Manuel utilisateur

Spirax Sarco

Spirax Sarco 58 Manuel utilisateur

Spirax Sarco

Spirax Sarco SX100e Fiche technique

Spirax Sarco

Spirax Sarco M33 ISO Series Manuel utilisateur

Spirax Sarco

Spirax Sarco DLV7 Manuel utilisateur

Spirax Sarco

Spirax Sarco M10S Manuel utilisateur

Spirax Sarco

Spirax Sarco DP143 Manuel utilisateur

Spirax Sarco

Spirax Sarco M10Hi Manuel utilisateur

Spirax Sarco

Spirax Sarco 25P Manuel utilisateur

Spirax Sarco

Spirax Sarco TD3-3 Manuel utilisateur

Spirax Sarco

Spirax Sarco MSC-125 Manuel utilisateur

Spirax Sarco

Spirax Sarco WAV1 Manuel utilisateur

Spirax Sarco

Spirax Sarco MkII Mode d’emploi

Spirax Sarco

Spirax Sarco FTC62 Manuel utilisateur

Spirax Sarco

Spirax Sarco 211 Manuel utilisateur

Spirax Sarco

Spirax Sarco DCV4 Manuel utilisateur

Spirax Sarco

Spirax Sarco LCV6 Manuel utilisateur

Spirax Sarco

Spirax Sarco C Series Manuel utilisateur

Spirax Sarco

Spirax Sarco FTS14 Manuel utilisateur

Spirax Sarco

Spirax Sarco RSW Manuel utilisateur

Spirax Sarco

Spirax Sarco HL 17 Manuel utilisateur

Spirax Sarco

Spirax Sarco HV3 Manuel utilisateur

Spirax Sarco

Spirax Sarco UIB45 Manuel utilisateur

Manuels Unité de contrôle populaires d'autres marques

Festo

Festo Compact Performance CP-FB6-E Manuel de la liste des pièces

Elo TouchSystems

Elo TouchSystems DMS-SA19P-EXTME Manuel utilisateur

JS Automation

JS Automation MPC3034A Manuel utilisateur

JAUDT

JAUDT SW GII 6406 Series Guide rapide

Spektrum

Spektrum Air Module System Manuel utilisateur

BOC Edwards

BOC Edwards Q Series Manuel utilisateur

KHADAS

KHADAS BT Magic Manuel utilisateur

Etherma

Etherma eNEXHO-IL Manuel utilisateur

PMFoundations

PMFoundations Attenuverter Manuel utilisateur

GEA

GEA VARIVENT Manuel utilisateur

Walther Systemtechnik

Walther Systemtechnik VMS-05 Manuel utilisateur

Altronix

Altronix LINQ8PD Instructions de montage

Eaton

Eaton Powerware Series Manuel utilisateur

WAGO

WAGO 750-407/040-000 Manuel utilisateur

Sony

Sony CCU-590 Manuel utilisateur

Graco

Graco 25D614 Manuel utilisateur

Task Force Tips

Task Force Tips YE-RF-900 Manuel de programmation

Shini

Shini SPV-U Series Manuel utilisateur