travaini pumps usa trva 65travaini.com/pdf/datasheet/singlestagevariported/trva 65-300,450.pdfmotor...
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TRAVAINI PUMPS USATRVA 65
Single Stage Medium/High Vacuum PumpsPERFOMANCE DATA : From 25 Torr CAPACITY: 70 – 325 cfmFEATURES : Single-stage rotating pump with externally located bearings grease lubricated.SHAFT SEALING : Mechanical seal - Double mechanical seal – Stuffing box.
OPTIONS : Bareshaft pump - Coupled to electric motor on baseplate – Monoblock with electricmotor.
TECHNICAL DATAPUMP TYPE TRVA
65-300TRVA65-450
Speed RPM 1450 1750 1450 1750Motor - installed power HP 10 15 15 20Average service liquid flow GPM 7 7 9 9Noise level at 60 Torr dB(A) 70 73 70 73Minimum suction pressure Torr 25 25 25 25
Pumps are provided with threaded connections for service liquid,pump draining, grease, anticavitation valve and companion flange.Pumps are also provided, by request, with auxiliary threadedconnections, companion flanges, flanged air-liquid separatortank, non return valve, ejector, vacuum relief valve,valve to control the flow of the liquid supply, vacuum gauges,pressure gauges and compound gauges.We can also provide information on our water sealed andoil sealed systems.For more detailed information please contact our Sales Office.
Example for Model Designation Standard Materials of Construction
T R V A 65 – 450 / C - M / GH PartNo. Description GH F RA A3
T Travaini Pump USA construction 106 Suction casing
R Liquid Ring Pump 107 Discharge casing
V Single impeller pump with valvesfor medium and high vacuum 137 Port plate
A Design number 110 Impeller housing
Cast Iron
65 Flange size (mm) 210 Shaft Stainless SteelAISI 420
Stainless SteelAISI 316
450 Nominal capacity (m3/h) 147 Manifold Steel
357 Bearing housingmech. seal Cast Iron
CShaft sealingC = Mechanical sealC2 = Double mechanical sealB = Packing seal 230 Impeller Bronze Ductile
IronStainless Steel
AISI 316
M Closed-coupled construction withlantern (by request) Special Materials Available Upon Request
GH Materials of constructionGH-F-RA-A3 = See table Indicative table: for further information please consult our Sales Office
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TRVA 65/CBareshaft Construction with Mechanical Seal
Feed pipe 3/4"
Note: Dimensions in mm. (mm to in = /25.4)
Pump Type B E K N Z Weightlbs.
TRVA 65-300/C 354 394 614 398 254 293
TRVA 65-450/C 424 464 684 468 324 321
Closed-Coupled Construction with Mechanical Seal
Pump 1 Weight without motorPump Type
4 PolesMotor
HP B E1 G1 L1 N Q R S T U Z
Weightlbs. *
Dimensions are for reference only10 Please consult the factory for15
637 222 313 45 20 4 110 140 341Certified drawings.TRVA 65-300/C
15354
666398 254
35915 387 The weights refer to the GH
TRVA 65-450/C20
424 736247 342
46865 28 19 230 280
324394 Construction
Page: P4-129TRVA 65/C
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Base-Mounted Construction (Baseplate-Coupling) with Mechanical Seal
PumpPump Type 4 PolesMotor HP
Base-plate A B C D E F G I K N P Q Z
Weight1lbs.
1015 900 960 370 310 168 600 180 340 5 245 545 354TRVA 65-300/C15 188
614 398 254414
15TRVA 65-450/C 20903 117
0 410 350 223 770 200 380 6 684 468 270 570 324 442
Typical Cross Section with Mechanical Seal TRVA 65 – 300/C,
450/C Page: P4-130
= A3 construction only
• = Recommended spare parts
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