PARMAC L.L.C.
Manufacturers of HYDROMATIC® Brakes
e-mail address-- hydromatic@parmacbrake.com Phone--620-251-5000 FAX--620-251-0225
P.O. Box 1149, 201 East 12th Street, Coffeyville,  Kansas 67337 U.S.A.
 

HYDROMATIC® AND HYDROTARDER® AUXILIARY BRAKES

Standard of the Drilling Industry for over 60 Years

Hydromatic® Brakes are available in sizes to meet every need for drilling to depths well below 35,000 feet and for all sizes of well servicing rigs. The range of sizes and maximum recommended operating speeds include the following:

SIZE
MAXIMUM PRESSURE PSI
**MAXIMUM SPEED RPM
MAX SHAFT DIA. INCHES
VOLUME IN GALLONS
WEIGHT OF BRAKE LBS.
*BRAKE CAPACITY HP

111-300
25
2300
1-3/4
1
180
300
112-500
25
2300
2
3
265
500
15DR
25
2300
3-1/8
6
580
1600
121
25
2300
3-1/8
2
300
800
122
25
2300
3-1/8
3-1/4
432
1600
201
25
1550
5
5
980
1500
22SR
25
1550
4-15/16
10
1200
2500
202
25
1550
5
9-1/10
1475
3000
22DR
25
1550
4-15/16
20
2300
4000
V-80®
15
1550
5
13-1/2
1240
5000
SSR28
15
900
5
17
2120
5500
262
15
850
5-1/2
30
2650
6000
341
15
600
7-1/2
35
3400
6000
341A
15
600
7-1/2
35
2465
6000
+4OSR
15
570
7-1/2
68
3400
6000
342
15
600
7-1/2
56
5300
7500
342A
15
600
7-1/2
56
3900
7500
+46SR
15
500
7-1/2
80
5000
7000
6OSR
15
375
7-1/2
180
9500
8000
451
15
500
7-1/2
78
3700
8500
481
15
450
7-1/2
98
7500
9000
V200
15
480
7-1/2
96
9100
10000
V295
15
350
9-1/4
315
26880
12000
_________________________________________________________________________

Brakes are furnished with special shafts to customer's specifications up to the maximum shaft diameter shown.

+ Obsolete Models

* Based upon maximum possible fluid flowrate through the brake.

** Based upon maximum rotor RPM and attainable at a flowrate and horsepower less than maximum.

 Parmac's new generation of Hydromatic® Brakes are more efficient for their size and weight. These include the following models: 121, 122, 201, 202, SSR28, 262, 341, 342, 451 and 481. These newer brakes have an improved sealing arrangement for better sealing and longer seal life, which also simplifies their replacement. Some of these new models offer easier controllability, and will fit in the old cradle without modification.

 SEAWATER MODELS--Standard brakes require fresh water, free of all foreign substance. When seawater is the most economical and readily available water source, certain models of Seawater Hydromatic® brakes can be made available.

 HELICOPTER TRANSPORTABLE--Brake models 341A, 342A, and 451 are special brakes with aluminum components, and weigh less than 4,000 lbs. The 481 and V200 brake models can be furnished with some aluminum parts to reduce weight.

 When you need auxiliary braking capacity on your rig or semi, contact Parmac, the Auxiliary Brake People.

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