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Gewindeadapter aus PP, PVDF oder PFA - lose GL-Überwurfmutter

Produktspezifikation Außengewinde einerseits, lose Überwurfmutter mit GL-Gewinde... more

Produktspezifikation

Außengewinde einerseits, lose Überwurfmutter mit GL-Gewinde und O-Ring andererseits.

Der Glasgewindeadapter dient als Verbindungselement zwischen einem Labor-Glaszylinder mit GL-Gewinde und einem G-Außengewinde.

Der Adapter ist für max. 6 bar (bei +20 °C) ausgelegt.

General Information The glass thread adapter G3 serves as a connecting element between the... more

General Information

The glass thread adapter G3 serves as a connecting element between the laboratory glass cylinder with GL thread and either a hose or pipe connection or a external G-thread.

The adapter has on the one hand the rotatable union nut with GL thread, on the other hand a external G-thread, a hose or pipe connection, so that there are various connection options.

Available in PP, PVDF or PFA (high-quality materials) for chemically demanding applications.

The GL union nut is made of PBT (polybutylene terephthalate) with 30 % glass fiber.

An O-ring made of FPM is used for sealing, which can also be exchanged for EPDM or FFKM on request.

PP (Polypropylene)

Extremely good impact toughness and notch impact strength

Higher hardness and stiffness as well as better resilience than PE

Thermoforming possible

Very good dielectrical properties

Good resistance to alcohols, ketones, conc. acids and alkalis

Not stable to aromatic hydrocarbons, fats and oils, halogenes

Autoclavable

Resistant to hydrolysis

Physiologically safe

Regulatory compliance to FDA 21 CFR 177.1520, RoHS, BPA-free, DEHP-free, BSE/ADI-free

Colour: grey

Density: 0.90 g/cm3

Temperature range: +5 to +90 °C

Shore hardness D: 72°

Max. operating pressure: 6 bar at +20 °C

Water absorption: <0.05 %

Tensile strength: 25 - 40 N/mm2

Elongation at break: 800 %

Surface resistance: >1013 Ohm

Melt flow index MFR: 0.3 g/10 min.

PVDF (Polyvinylidene fluoride)

High-quality technical plastic for chemical apparatus and machine building, especially in the petrochemical, metallurgical, pharmaceutical, food processing, paper and textile industry as well as in the nuclear technology.

High impact toughness even at low temperatures

Good breakdown strength

Low dielectric loss factor

Highest mechanical stability and stiffness

Meeting highest purity requirements

Comply with the guidelines from FDA and USP class VI, additionally PVDF has the KTW approval. Up to +150 °C it is non-toxic and since it has a similar property to glass it is a no-culture medium for microorganisms.

Can be treated by autoclave (absolute sterile) and sterilized with gamma-rays without losing its mechanical qualities

Outstanding resistance to UV, weather and aging

Flame-resistant

High thermal stability

Resistant to alcohols, fats and oils, halogenes, alkalis, acids

Not stable to aromatic hydrocarbons, ketones, amines, pyridine, dimethylformamide, hot alkalis, fuming sulfuric acid

Colour: nature, slightly translucent

Density: 1.75 g/cm3

Temperature range: -40 to +140 °C

Shore hardness D: 79°

Max. operating pressure: 6 bar at +20 °C

Water absorption: <0.04 %

Tensile strength: 38 - 50 N/mm2

Surface resistance: >1013 Ohm

Melt flow index MFR: 6 g/10 min.

PFA (Perfluoroalkoxy)

High-quality technical plastic for chemical apparatus and machine construction as well as electrical engineering

Chemical, thermal and dielectrical properties practically such as PTFE, but suitable for thermoplastic processing (welding, die casting, deep drawing). Lower medium diffusion, better transparency, larger hardness and better dimensional stability (lower tendency to cold flow) compared to PTFE.

Highest temperature resistance of all meltable fluorinated plastics

Very high dimensional stability in heat

Very high resistance to media

Very good pressure resistance

Low friction coefficient

Can be treated by autoclave (absolute sterile)

Comply with the guidelines from FDA and USP class VI.

Excellent resistance to weather

Flame-resistant

Colour: milky, translucent

Density: 2.10 g/cm3

Temperature range: -200 to +200 °C (highest dimensional stability in heat)

Shore hardness D: 60° to 65°

Max. operating pressure: 6 bar at +20 °C

Coefficient of sliding friction: 0.2 - 0.3 (dynamic against steel, dry)

Tensile strength: 27 to 32 N/mm2 at +23 °C

Water absorption: <0.03 %

Dielectric constant: 2,1

Surface resistance: >1017 Ohm

FPM (Fluorinated rubber)

FPM is a polymer of highest quality made of fluorinated hydrocarbons (fluorine content 64 % to 70 %) and belongs to the group of elastomers

FPM has the best resistance to swelling in mineral oils compared to all elastomers

Highest sealing force in continuous operation (after 100 h at +150 °C in air still 90 % of the initial sealing force)

Lowest evaporation rates at high vacuum

Low permeability to gas

Outstanding radiation resistance

Excellent chemical and physical properties, almost identical to those of PTFE. The essential difference compared to PTFE is the lower cold flow, lower diffusion and better transparency.

High chemical resistance to many chemicals, ozone, heat and weather.

Unstable to polar solvents such as ketones and esters (considerable swelling), organic acids (acetic acid or formic acid), strong bases such as amines (chemical attack).

Not suitable for applications at temperatures below -20 °C as well as in hot steam.

Colour: black

Density: 1.10 g/cm3

Temperature range: -30 to +220 °C, for a short time +300 °C

Water absorption: no data

Tensile strength: 13 N/mm2

Elongation at break: 450 %

Shore hardness A: 75°

Surface resistance: no data

Item Image External thread Innengewinde D1
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341945
G 1/8" GL14 20 8 32 8 PP 1 20.00
341946
G 1/8" GL14 20 8 32 8 PVDF 1 22.00
341947
G 1/8" GL14 20 8 32 8 PTFE 1 38.00
341948
G 1/8" GL18 24 8 31 11 PP 1 20.00
341949
G 1/8" GL18 24 8 31 11 PVDF 1 22.00
341950
G 1/8" GL18 24 8 31 11 PFA 1 38.00
341951
G 1/8" GL25 33 8 35 14 PP 1 20.00
341952
G 1/8" GL25 33 8 35 14 PVDF 1 22.00
341953
G 1/8" GL25 33 8 35 14 PFA 1 39.00
341954
G 1/8" GL32 42 8 39 18 PP 1 32.00
341955
G 1/8" GL32 42 8 39 18 PVDF 1 35.00
341956
G 1/8" GL32 42 8 39 18 PFA 1 60.00
341957
G 1/4" GL18 24 12 35 14 PP 1 22.00
341958
G 1/4" GL18 24 12 35 14 PVDF 1 25.00
341959
G 1/4" GL18 24 12 35 14 PFA 1 43.00
341960
G 1/4" GL25 33 12 39 16 PP 1 22.00
341961
G 1/4" GL25 33 12 39 16 PVDF 1 25.00
341962
G 1/4" GL25 33 12 39 16 PFA 1 43.00
341963
G 1/4" GL32 42 12 43 21 PP 1 23.00
341964
G 1/4" GL32 42 12 43 21 PVDF 1 25.00
341965
G 1/4" GL32 42 12 43 21 PFA 1 44.00
341966
G 1/4" GL45 55 12 45 28 PP 1 36.00
341967
G 1/4" GL45 55 12 45 28 PVDF 1 40.00
341968
G 1/4" GL45 55 12 45 28 PFA 1 70.00
341969
G 3/8" GL18 24 12 35 14 PP 1 32.00
341970
G 3/8" GL18 24 12 35 14 PVDF 1 35.00
341971
G 3/8" GL18 24 12 35 14 PFA 1 60.00
341972
G 3/8" GL25 33 12 39 16 PP 1 32.00
341973
G 3/8" GL25 33 12 39 16 PVDF 1 35.00
341974
G 3/8" GL25 33 12 39 16 PFA 1 60.00
341975
G 3/8" GL32 42 12 43 21 PP 1 35.00
341976
G 3/8" GL32 42 12 43 21 PVDF 1 39.00
341977
G 3/8" GL32 42 12 43 21 PFA 1 69.00
341978
G 3/8" GL45 55 12 45 28 PP 1 44.00
341979
G 3/8" GL45 55 12 45 28 PVDF 1 50.00
341980
G 3/8" GL45 55 12 45 28 PFA 1 87.00
341981
G 1/2" GL25 33 14 47 16 PP 1 35.00
341982
G 1/2" GL25 33 14 47 16 PVDF 1 39.00
341983
G 1/2" GL25 33 14 47 16 PFA 1 69.00
341984
G 1/2" GL32 42 14 54 22 PP 1 43.00
341985
G 1/2" GL32 42 14 54 22 PVDF 1 48.00
341986
G 1/2" GL32 42 14 54 22 PFA 1 84.00
341987
G 1/2" GL45 55 14 47 28 PP 1 39.00
341988
G 1/2" GL45 55 14 47 28 PVDF 1 43.00
341989
G 1/2" GL45 55 14 47 28 PFA 1 76.00
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