ARI-TEMPTROL® 771/772

Thermal-closing valve – straight through with flanges without cooling spacer (max. 150°C)

eClass-No.: 37012290
Application: Industrial heating and ventilation systems, residential applications, marked-warehouses, ship building, cooling systems, etc.
Medium: Fluids, air and steam

• Self-operating (no auxilary power required)
• Reliable, low maintenance operation
• Over-temperature safety device
• Valves pressure balanced with stainless steel bellows
• 3 thermal controller sizes for optimal selection of proportional range
• Thermal sensors with different time constants
• Exact and easy adjustment
• Setting range is adjustable
• Sensor pocket
• Manual control device

Thermal-closing valve – straight through with flanges

ARI-TEMPTROL® 771/772 Thermal-closing valve - straight through with flanges without cooling spacer (max. 150°C)

Fig. …771 max. 150°C


ARI-TEMPTROL® 771/772 Thermal-closing valve - straight through with flanges without cooling spacer (max. 150°C)

Fig. …772 with cooling spacer max. 300°C

Figure Nominal pressure Material Nominal diameter
12.771 / 12.772 PN16 EN-JL1040 DN15-100
22.771 / 22.772 PN16 EN-JS1049 DN15-100
23.771 / 23.772 PN25 EN-JS1049 DN15-100
35.771 / 35.772 PN40 1.0619+N DN15-100
55.771 / 55.772 PN40 1.4408 DN15-100

Construction LC without balanced bellow

Figure Nominal pressure Material Nominal diameter
12.771….1..1
12.772….1..1
PN16 EN-JL1040 DN15-50

ARI-TEMPTROL® 771/772 Thermal-closing valve - straight through with flanges without cooling spacer (max. 150°C)

Fig. 12.771….1..1 max. 130°C


ARI-TEMPTROL® 771/772 Thermal-closing valve - straight through with flanges without cooling spacer (max. 150°C)

Fig. 12.772….1..1 with cooling spacer max. 250°C

DN 15 20 25 32 40 50 65 80 100
Face-to-face dimension FTF series 1 according to DIN EN 558
L (mm) 130 150 160 180 200 230 290 310 350
Dimensions Standard-flange dimensions refer to page 15
Fig. 771 H (mm) 160 160 195 195 215 255 260 320 340
Fig. 772 H (mm) 305 305 340 340 360 400 405 455 485
Fig. 771…1..1 (LC) H (mm) 125 125 125 125 130 135
Fig. 772…1..1 (LC) H (mm) 270 270 270 270 275 280
Weights
Fig. 771 (kg) 3,4 4,2 5,3 6,9 8,8 12,4 23 29 38
Fig. 772 (kg) 4,3 5,1 6,3 7,9 9,7 13,3 24 30 39
Fig. 771…1..1 (LC) (kg) 2,5 3,5 5 6 8 10
Fig. 772…1..1 (LC) (kg) 3,5 4,5 6 7 9 11
Kvs-value
Standard Kvs-value (m3/h) 4,0 6,3 10,0 16,0 22,0 32,0 50,0 70,0 80,0
Travel (mm) 7,5 7,5 8 9,5 9,5 11,5 14 15 15
Reduced Kvs-value (m3/h) 0,4 1,0
Travel (mm) 5 5
Leakage rate IV acc. to DIN EN 1349 or DIN EN 60534-4 (≤ 0,01% from the nominal flow)
Max. differential pressure drop Δp
Fig. 771 Straight through (bar) 16 16 16 16 12 9 9 9 9
Fig. 772 (bar) 16 16 16 16 12 9 9 9 9
Fig. 771…1..1 (LC) Straight through (bar) 9,3 9,3 5,6 4,1 2,3 1,5
Fig. 772…1..1 (LC) (bar) 9,3 9,3 5,6 4,1 2,3 1,5
Pressure balancing of the actuator needed at P1 > max. differential pressure drop Δp (out of table). For pressure balancing use manual control device (Type 9900390011).
Parts
Pos. Sp.p. Description Fig. 12.771 Fig. 12.772 Fig. 22./23.771 Fig. 22./23.772 Fig. 35.771 Fig. 35.772 Fig. 55.771 Fig. 55.772
1 Body EN-JL1040, EN-GJL-250 EN-JS1049,

EN-GJS-400-18U-LT

GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408
2 Seat X6CrNiTi18-10, 1.4541
3 Cheese head screw A2-70
5 Giude bushing X6CrNiTi18-10, 1.4541
7 x Gasket Graphite
11 Bonnet EN-JS1049, EN-GJS-400-18U-LT GX5CrNiMo19-11-2, 1.4408
14 x Spindle unit X6CrNiTi18-10, 1.4541
19 Bearing cover X6CrNiTi18-10, 1.4541
21 Hexagon nut A2-70
28 Cooling spacer EN-JS1049, EN-GJS-400-18U-LT X6CrNiTi18-10, 1.4541
37 x Compression spring X12CrNi17-7, 1.4310
55 x Balanced bellow X6CrNiTi18-10, 1.4541
└ Spare parts

Information / restriction of technical rules need to be observed!

Operating and installation instructions can be downloaded at www.ari-armaturen.com. ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

A production permission acc. to TRB 801 No. 45 is available (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.) The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

Resistance and fitness must be verified (contact manufacturer for information, refer to Product overview and Resistance list).

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