Spirax Sarco Spirax Sarco SA121 Self-Acting Temperature Control Valve Packaging & Products
Spirax Sarco Spirax Sarco SA121 Self-Acting Temperature Control Valve

Spirax Sarco Spirax Sarco SA121,SA122,SA128 and SA1219 Self-Acting Temperature Control Systems

¥431.00 – ¥10,298.00

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Spirax Sarco Self-Acting Temperature Control Systems, Series SA121, SA122, SA128 and SA1219, are self-acting control systems consisting of a sensor, actuator and thermostat/indicator for 2-way valves (KA, KB, KC, KX, KY, SB, SBRA, BX, BXRA, BM, BMRA, BMF, BMFRA, NS, NSRA) and 3-way valves (TW ). BMF, BMFRA, NS, NSRA ) and 3-way valves (TW ).

Available Models

Available types Applicable valves Nominal Diameter Range
SA121 2-way valve DN15 to DN80
SA121 3-way valve DN20 to DN50
SA1219 3-way valve DN80 to DN100
SA128 2-way valve DN15 to DN25
SA128 3-way valve DN20 to DN25
SA122 (thermostat at valve) 2-way valve DN15 to DN25
SA122 (thermostat at valve) 3-way valve DN20 to DN25

Optional accessories

  • Protective cover in copper and stainless steel. Wall bracket.
  • Dial Regulator Pt100 Temperature Sensor, SA122TP includes a built-in protective sleeve for the PT100 sensor.

Component Material

Part material (that sth is made of)
inductor (elec.) brass
actuators brass
capillaries Copper with PVC protection on the outside
dial polypropylene
fittings brass
Mounting Brackets steel (chemistry)
folder polypropylene
Duct Fixing Plate steel (chemistry)
protective cover Copper (BS 2871 C106), stainless steel (BS 3605 CFS 316S 18)
filler gasoline

temperature range

Available types Temperature range 1 Temperature range 2 overtemperature protection Design ambient temperature (minimum) Design ambient temperature (max)
SA121 and SA1219 -15°C to 50°C 40°C to 105°C 55°C over setpoint max. to 190°C -35°C +50°C
SA122 -20°C to 120°C 40°C to 170°C 55°C over setpoint -35°C +50°C
SA128 -20°C to 110°C 40°C to 170°C 55°C over setpoint max. to 190°C -35°C +50°C

capillaries

Standard lengths are 2m, 4m, 8m, and up to 16m can be special ordered.

Weight (approximate)

Available types Weight (kg)
SA121 2.0
SA1219 2.3
SA122 1.8
SA122TP 2.0
SA128 1.8

Description of other accessories

  • Live connection (for direct insertion, without protective sleeve): SA121, SA1219, SA128 correspond to Z, Y, X; SA122 corresponds to items W, V and U.
  • Protective cover (for non-direct immersion)SA121, SA1219 and SA128 correspond to T, Z and Y. SA122 is available in copper and stainless steel, corresponding to S, W and V.
  • Long protective sleeve (for SA122 only): Special order required, minimum length is 0.5m, maximum length can be specified, including protective sleeve, bracket and rubber plug, optional material is copper and stainless steel, corresponding to S, V, W, T, Z, Y.
  • Bracket for wall mounting (item 6): SA121, SA1219, SA122 and SA128 are optional.
  • Duct Fixing Plate: SA121, SA1219 and SA128 include a retaining plate, a loose fitting, a compression ring and a compression nut corresponding to items 8, X, Y and Z; SA122 is not supplied.

mounting

A detailed installation and maintenance guide is provided with the product.

Ordering Instructions

Example: 1 - Control system type Spirax Sarco SA121, temperature range 2, with 2 m capillary tube and stainless steel protective sleeve.

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