Page 50 - Chemical

This valve has the same features as Betts standard Q.R.B. but with the added advantage of having an outside screw and yoke which isolates the threads of the stem from the product being hauled. The Betts Q.R.B. Hydrolet Valve with the exclusive quick-removable bonnet, is designed for use on transport tanks hauling a variety of products, where easy dismantling for cleaning and inspection is essential. The valve is available in the three styles show below in 3” and 4” sizes with flanged or threaded outlets. The valve is constructed of 316 stainless for compatibility with a wide range of products.
Pressure and Temperature Rating: Valve are rated at 35 PSI maximum working pressure. Temperature varies as to which packing, gasket & disc material is specified. Valves with PTFE, FKM or Non-Abestos are rated at 400oF [204oC] maximum working temperature. Valves with Nitrile are rated at 230oF [110oC] maximum working temperature.
Outside Screw & Yoke
Straight Outlet
45o Elbow
90o Elbow
Size
Part Number
Weight
Part Number
Weight
Part Number
Weight
3”
BET QY723SST
15.8 Lbs [7.2 kg]
BET QY763SST
16 Lbs [7.3 kg]
BET QY703SST
16.8 Lbs [7.6 kg]
4”
BET QY724SST
20.8 Lbs [9.4 kg]
BET QY764SST
21.3 Lbs [9.7 kg]
BET QY704SST
21.5 Lbs [9.8 kg]
3”
BET QY733SST
14.8 Lbs [6.7 kg]
BET QY773SST
14.8 Lbs [6.7 kg]
BET QY713SST
15.8 Lbs [7.2 kg]
4”
BET QY734SST
20.8 Lbs [9.4 kg]
BET QY774SST
21.3 Lbs [9.2 kg]
BET QY714SST
21.5 Lbs [9.8 kg]
NOTE: Stainless 316 valves are standard with PTFE disc, gasket & packing (suffix “T”).
Dimensions
Size
A
B
C
D
E
F
G
H
I
J
K
Flange-Inlet & Outlet
Thd. Outlet
I.D.
B.C.
Holes
Pipe Size
3”
183/16” [462 mm]
51/2” [140 mm]
51/8” [130 mm]
4” [102 mm]
69/16” [167 mm]
61/4” [159 mm]
625/32” [172 mm]
7” [178 mm]
813/16” [224 mm]
95/8” [244 mm]
61/2” [165 mm]
33/8” [86 mm]
47/8” [124 mm]
87/16” [11 mm]
3”
4”
187/8” [479 mm]
67/16” [164 mm]
5” [127 mm]
45/16” [110 mm]
81/8” [206 mm]
73/4” [197 mm]
85/16” [211 mm]
817/32” [217 mm]
103/4” [273 mm]
107/16” [265 mm]
8” [203 mm]
43/8” [111 mm]
57/8” [149 mm]
87/16” [11 mm]
4”
1-50
THREADED
FLANGED
Hydrolet Valves
Chemical Trailer Parts Catalog